About the Number

1208389920

1208389919 ← → 1208389921

2進数表記:1001000000001101001000100100000

漢数字表記:十二億八百三十八万九千九百二十

素因数分解:

2 5 × 3 1 × 5 1 × 17 2 × 31 1 × 281 1

素因数の和:364
約数の個数: 288
約数和(自身を含む): 4188796416
約数和(自身を除く): 2980406496

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 32, 34, 40, 48, 51, 60, 62, 68, 80, 85, 93, 96, 102, 120, 124, 136, 155, 160, 170, 186, 204, 240, 248, 255, 272, 281, 289, 310, 340, 372, 408, 465, 480, 496, 510, 527, 544, 562, 578, 620, 680, 744, 816, 843, 867, 930, 992, 1020, 1054, 1124, 1156, 1240, 1360, 1405, 1445, 1488, 1581, 1632, 1686, 1734, 1860, 2040, 2108, 2248, 2312, 2480, 2635, 2720, 2810, 2890, 2976, 3162, 3372, 3468, 3720, 4080, 4215, 4216, 4335, 4496, 4624, 4777, 4960, 5270, 5620, 5780, 6324, 6744, 6936, 7440, 7905, 8160, 8430, 8432, 8670, 8711, 8959, 8992, 9248, 9554, 10540, 11240, 11560, 12648, 13488, 13872, 14331, 14880, 15810, 16860, 16864, 17340, 17422, 17918, 19108, 21080, 22480, 23120, 23885, 25296, 26133, 26877, 26976, 27744, 28662, 31620, 33720, 34680, 34844, 35836, 38216, 42160, 43555, 44795, 44960, 46240, 47770, 50592, 52266, 53754, 57324, 63240, 67440, 69360, 69688, 71655, 71672, 76432, 81209, 84320, 87110, 89590, 95540, 104532, 107508, 114648, 126480, 130665, 134385, 134880, 138720, 139376, 143310, 143344, 148087, 152864, 162418, 174220, 179180, 191080, 209064, 215016, 229296, 243627, 252960, 261330, 268770, 278752, 286620, 286688, 296174, 324836, 348440, 358360, 382160, 406045, 418128, 430032, 444261, 458592, 487254, 522660, 537540, 573240, 592348, 649672, 696880, 716720, 740435, 764320, 812090, 836256, 860064, 888522, 974508, 1045320, 1075080, 1146480, 1184696, 1218135, 1299344, 1393760, 1433440, 1480870, 1624180, 1777044, 1949016, 2090640, 2150160, 2221305, 2292960, 2369392, 2436270, 2517479, 2598688, 2961740, 3248360, 3554088, 3898032, 4181280, 4300320, 4442610, 4738784, 4872540, 5034958, 5923480, 6496720, 7108176, 7552437, 7796064, 8885220, 9745080, 10069916, 11846960, 12587395, 12993440, 14216352, 15104874, 17770440, 19490160, 20139832, 23693920, 25174790, 30209748, 35540880, 37762185, 38980320, 40279664, 50349580, 60419496, 71081760, 75524370, 80559328, 100699160, 120838992, 151048740, 201398320, 241677984, 302097480, 402796640, 604194960, 1208389920]

約数ペア:
[(1, 1208389920), (2, 604194960), (3, 402796640), (4, 302097480), (5, 241677984), (6, 201398320), (8, 151048740), (10, 120838992), (12, 100699160), (15, 80559328), (16, 75524370), (17, 71081760), (20, 60419496), (24, 50349580), (30, 40279664), (31, 38980320), (32, 37762185), (34, 35540880), (40, 30209748), (48, 25174790), (51, 23693920), (60, 20139832), (62, 19490160), (68, 17770440), (80, 15104874), (85, 14216352), (93, 12993440), (96, 12587395), (102, 11846960), (120, 10069916), (124, 9745080), (136, 8885220), (155, 7796064), (160, 7552437), (170, 7108176), (186, 6496720), (204, 5923480), (240, 5034958), (248, 4872540), (255, 4738784), (272, 4442610), (281, 4300320), (289, 4181280), (310, 3898032), (340, 3554088), (372, 3248360), (408, 2961740), (465, 2598688), (480, 2517479), (496, 2436270), (510, 2369392), (527, 2292960), (544, 2221305), (562, 2150160), (578, 2090640), (620, 1949016), (680, 1777044), (744, 1624180), (816, 1480870), (843, 1433440), (867, 1393760), (930, 1299344), (992, 1218135), (1020, 1184696), (1054, 1146480), (1124, 1075080), (1156, 1045320), (1240, 974508), (1360, 888522), (1405, 860064), (1445, 836256), (1488, 812090), (1581, 764320), (1632, 740435), (1686, 716720), (1734, 696880), (1860, 649672), (2040, 592348), (2108, 573240), (2248, 537540), (2312, 522660), (2480, 487254), (2635, 458592), (2720, 444261), (2810, 430032), (2890, 418128), (2976, 406045), (3162, 382160), (3372, 358360), (3468, 348440), (3720, 324836), (4080, 296174), (4215, 286688), (4216, 286620), (4335, 278752), (4496, 268770), (4624, 261330), (4777, 252960), (4960, 243627), (5270, 229296), (5620, 215016), (5780, 209064), (6324, 191080), (6744, 179180), (6936, 174220), (7440, 162418), (7905, 152864), (8160, 148087), (8430, 143344), (8432, 143310), (8670, 139376), (8711, 138720), (8959, 134880), (8992, 134385), (9248, 130665), (9554, 126480), (10540, 114648), (11240, 107508), (11560, 104532), (12648, 95540), (13488, 89590), (13872, 87110), (14331, 84320), (14880, 81209), (15810, 76432), (16860, 71672), (16864, 71655), (17340, 69688), (17422, 69360), (17918, 67440), (19108, 63240), (21080, 57324), (22480, 53754), (23120, 52266), (23885, 50592), (25296, 47770), (26133, 46240), (26877, 44960), (26976, 44795), (27744, 43555), (28662, 42160), (31620, 38216), (33720, 35836), (34680, 34844)]

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