19988218880

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:397

約数の個数: 352

約数和(自身を含む): 58364064000

約数和(自身を除く): 38375845120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 149, 152, 160, 190, 197, 224, 256, 266, 280, 298, 304, 320, 380, 394, 448, 512, 532, 560, 596, 608, 640, 665, 745, 760, 788, 896, 985, 1024, 1043, 1064, 1120, 1192, 1216, 1280, 1330, 1379, 1490, 1520, 1576, 1792, 1970, 2086, 2128, 2240, 2384, 2432, 2560, 2660, 2758, 2831, 2980, 3040, 3152, 3584, 3743, 3940, 4172, 4256, 4480, 4768, 4864, 5120, 5215, 5320, 5516, 5662, 5960, 6080, 6304, 6895, 7168, 7486, 7880, 8344, 8512, 8960, 9536, 9728, 10430, 10640, 11032, 11324, 11920, 12160, 12608, 13790, 14155, 14972, 15760, 16688, 17024, 17920, 18715, 19072, 19456, 19817, 20860, 21280, 22064, 22648, 23840, 24320, 25216, 26201, 27580, 28310, 29353, 29944, 31520, 33376, 34048, 35840, 37430, 38144, 39634, 41720, 42560, 44128, 45296, 47680, 48640, 50432, 52402, 55160, 56620, 58706, 59888, 63040, 66752, 68096, 74860, 76288, 79268, 83440, 85120, 88256, 90592, 95360, 97280, 99085, 100864, 104804, 110320, 113240, 117412, 119776, 126080, 131005, 133504, 136192, 146765, 149720, 152576, 158536, 166880, 170240, 176512, 181184, 190720, 198170, 201728, 205471, 209608, 220640, 226480, 234824, 239552, 252160, 262010, 267008, 293530, 299440, 317072, 333760, 340480, 353024, 362368, 381440, 396340, 410942, 419216, 441280, 452960, 469648, 479104, 504320, 524020, 534016, 557707, 587060, 598880, 634144, 667520, 680960, 706048, 724736, 762880, 792680, 821884, 838432, 882560, 905920, 939296, 958208, 1008640, 1027355, 1048040, 1068032, 1115414, 1174120, 1197760, 1268288, 1335040, 1412096, 1449472, 1585360, 1643768, 1676864, 1765120, 1811840, 1878592, 1916416, 2054710, 2096080, 2230828, 2348240, 2395520, 2536576, 2670080, 2788535, 2898944, 3170720, 3287536, 3353728, 3530240, 3623680, 3757184, 3832832, 3903949, 4109420, 4192160, 4461656, 4696480, 4791040, 5073152, 5340160, 5577070, 6341440, 6575072, 6707456, 7060480, 7247360, 7514368, 7807898, 8218840, 8384320, 8923312, 9392960, 9582080, 10146304, 11154140, 12682880, 13150144, 13414912, 14494720, 15028736, 15615796, 16437680, 16768640, 17846624, 18785920, 19164160, 19519745, 20292608, 22308280, 25365760, 26300288, 26829824, 30057472, 31231592, 32875360, 33537280, 35693248, 37571840, 39039490, 44616560, 50731520, 52600576, 62463184, 65750720, 67074560, 71386496, 75143680, 78078980, 89233120, 101463040, 105201152, 124926368, 131501440, 134149120, 142772992, 150287360, 156157960, 178466240, 210402304, 249852736, 263002880, 285545984, 312315920, 356932480, 499705472, 526005760, 571091968, 624631840, 713864960, 999410944, 1052011520, 1249263680, 1427729920, 1998821888, 2498527360, 2855459840, 3997643776, 4997054720, 9994109440, 19988218880]

約数ペア:

[(1, 19988218880), (2, 9994109440), (4, 4997054720), (5, 3997643776), (7, 2855459840), (8, 2498527360), (10, 1998821888), (14, 1427729920), (16, 1249263680), (19, 1052011520), (20, 999410944), (28, 713864960), (32, 624631840), (35, 571091968), (38, 526005760), (40, 499705472), (56, 356932480), (64, 312315920), (70, 285545984), (76, 263002880), (80, 249852736), (95, 210402304), (112, 178466240), (128, 156157960), (133, 150287360), (140, 142772992), (149, 134149120), (152, 131501440), (160, 124926368), (190, 105201152), (197, 101463040), (224, 89233120), (256, 78078980), (266, 75143680), (280, 71386496), (298, 67074560), (304, 65750720), (320, 62463184), (380, 52600576), (394, 50731520), (448, 44616560), (512, 39039490), (532, 37571840), (560, 35693248), (596, 33537280), (608, 32875360), (640, 31231592), (665, 30057472), (745, 26829824), (760, 26300288), (788, 25365760), (896, 22308280), (985, 20292608), (1024, 19519745), (1043, 19164160), (1064, 18785920), (1120, 17846624), (1192, 16768640), (1216, 16437680), (1280, 15615796), (1330, 15028736), (1379, 14494720), (1490, 13414912), (1520, 13150144), (1576, 12682880), (1792, 11154140), (1970, 10146304), (2086, 9582080), (2128, 9392960), (2240, 8923312), (2384, 8384320), (2432, 8218840), (2560, 7807898), (2660, 7514368), (2758, 7247360), (2831, 7060480), (2980, 6707456), (3040, 6575072), (3152, 6341440), (3584, 5577070), (3743, 5340160), (3940, 5073152), (4172, 4791040), (4256, 4696480), (4480, 4461656), (4768, 4192160), (4864, 4109420), (5120, 3903949), (5215, 3832832), (5320, 3757184), (5516, 3623680), (5662, 3530240), (5960, 3353728), (6080, 3287536), (6304, 3170720), (6895, 2898944), (7168, 2788535), (7486, 2670080), (7880, 2536576), (8344, 2395520), (8512, 2348240), (8960, 2230828), (9536, 2096080), (9728, 2054710), (10430, 1916416), (10640, 1878592), (11032, 1811840), (11324, 1765120), (11920, 1676864), (12160, 1643768), (12608, 1585360), (13790, 1449472), (14155, 1412096), (14972, 1335040), (15760, 1268288), (16688, 1197760), (17024, 1174120), (17920, 1115414), (18715, 1068032), (19072, 1048040), (19456, 1027355), (19817, 1008640), (20860, 958208), (21280, 939296), (22064, 905920), (22648, 882560), (23840, 838432), (24320, 821884), (25216, 792680), (26201, 762880), (27580, 724736), (28310, 706048), (29353, 680960), (29944, 667520), (31520, 634144), (33376, 598880), (34048, 587060), (35840, 557707), (37430, 534016), (38144, 524020), (39634, 504320), (41720, 479104), (42560, 469648), (44128, 452960), (45296, 441280), (47680, 419216), (48640, 410942), (50432, 396340), (52402, 381440), (55160, 362368), (56620, 353024), (58706, 340480), (59888, 333760), (63040, 317072), (66752, 299440), (68096, 293530), (74860, 267008), (76288, 262010), (79268, 252160), (83440, 239552), (85120, 234824), (88256, 226480), (90592, 220640), (95360, 209608), (97280, 205471), (99085, 201728), (100864, 198170), (104804, 190720), (110320, 181184), (113240, 176512), (117412, 170240), (119776, 166880), (126080, 158536), (131005, 152576), (133504, 149720), (136192, 146765)]