389697280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 288

約数和(自身を含む): 1167925248

約数和(自身を除く): 778227968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 32, 35, 40, 46, 56, 61, 62, 64, 70, 80, 92, 112, 115, 122, 124, 128, 140, 155, 160, 161, 184, 217, 224, 230, 244, 248, 256, 280, 305, 310, 320, 322, 368, 427, 434, 448, 460, 488, 496, 560, 610, 620, 640, 644, 713, 736, 805, 854, 868, 896, 920, 976, 992, 1085, 1120, 1220, 1240, 1280, 1288, 1403, 1426, 1472, 1610, 1708, 1736, 1792, 1840, 1891, 1952, 1984, 2135, 2170, 2240, 2440, 2480, 2576, 2806, 2852, 2944, 3220, 3416, 3472, 3565, 3680, 3782, 3904, 3968, 4270, 4340, 4480, 4880, 4960, 4991, 5152, 5612, 5704, 5888, 6440, 6832, 6944, 7015, 7130, 7360, 7564, 7808, 7936, 8540, 8680, 8960, 9455, 9760, 9821, 9920, 9982, 10304, 11224, 11408, 12880, 13237, 13664, 13888, 14030, 14260, 14720, 15128, 15616, 17080, 17360, 18910, 19520, 19642, 19840, 19964, 20608, 22448, 22816, 24955, 25760, 26474, 27328, 27776, 28060, 28520, 29440, 30256, 34160, 34720, 37820, 39040, 39284, 39680, 39928, 41216, 43493, 44896, 45632, 49105, 49910, 51520, 52948, 54656, 55552, 56120, 57040, 60512, 66185, 68320, 69440, 75640, 78080, 78568, 79856, 86986, 89792, 91264, 98210, 99820, 103040, 105896, 109312, 112240, 114080, 121024, 132370, 136640, 138880, 151280, 157136, 159712, 173972, 179584, 182528, 196420, 199640, 206080, 211792, 217465, 224480, 228160, 242048, 264740, 273280, 277760, 302560, 304451, 314272, 319424, 347944, 359168, 392840, 399280, 423584, 434930, 448960, 456320, 484096, 529480, 546560, 605120, 608902, 628544, 638848, 695888, 785680, 798560, 847168, 869860, 897920, 912640, 1058960, 1210240, 1217804, 1257088, 1277696, 1391776, 1522255, 1571360, 1597120, 1694336, 1739720, 1795840, 2117920, 2420480, 2435608, 2514176, 2783552, 3044510, 3142720, 3194240, 3388672, 3479440, 4235840, 4871216, 5567104, 6089020, 6285440, 6388480, 6958880, 8471680, 9742432, 11134208, 12178040, 12570880, 13917760, 16943360, 19484864, 24356080, 27835520, 38969728, 48712160, 55671040, 77939456, 97424320, 194848640, 389697280]

約数ペア:

[(1, 389697280), (2, 194848640), (4, 97424320), (5, 77939456), (7, 55671040), (8, 48712160), (10, 38969728), (14, 27835520), (16, 24356080), (20, 19484864), (23, 16943360), (28, 13917760), (31, 12570880), (32, 12178040), (35, 11134208), (40, 9742432), (46, 8471680), (56, 6958880), (61, 6388480), (62, 6285440), (64, 6089020), (70, 5567104), (80, 4871216), (92, 4235840), (112, 3479440), (115, 3388672), (122, 3194240), (124, 3142720), (128, 3044510), (140, 2783552), (155, 2514176), (160, 2435608), (161, 2420480), (184, 2117920), (217, 1795840), (224, 1739720), (230, 1694336), (244, 1597120), (248, 1571360), (256, 1522255), (280, 1391776), (305, 1277696), (310, 1257088), (320, 1217804), (322, 1210240), (368, 1058960), (427, 912640), (434, 897920), (448, 869860), (460, 847168), (488, 798560), (496, 785680), (560, 695888), (610, 638848), (620, 628544), (640, 608902), (644, 605120), (713, 546560), (736, 529480), (805, 484096), (854, 456320), (868, 448960), (896, 434930), (920, 423584), (976, 399280), (992, 392840), (1085, 359168), (1120, 347944), (1220, 319424), (1240, 314272), (1280, 304451), (1288, 302560), (1403, 277760), (1426, 273280), (1472, 264740), (1610, 242048), (1708, 228160), (1736, 224480), (1792, 217465), (1840, 211792), (1891, 206080), (1952, 199640), (1984, 196420), (2135, 182528), (2170, 179584), (2240, 173972), (2440, 159712), (2480, 157136), (2576, 151280), (2806, 138880), (2852, 136640), (2944, 132370), (3220, 121024), (3416, 114080), (3472, 112240), (3565, 109312), (3680, 105896), (3782, 103040), (3904, 99820), (3968, 98210), (4270, 91264), (4340, 89792), (4480, 86986), (4880, 79856), (4960, 78568), (4991, 78080), (5152, 75640), (5612, 69440), (5704, 68320), (5888, 66185), (6440, 60512), (6832, 57040), (6944, 56120), (7015, 55552), (7130, 54656), (7360, 52948), (7564, 51520), (7808, 49910), (7936, 49105), (8540, 45632), (8680, 44896), (8960, 43493), (9455, 41216), (9760, 39928), (9821, 39680), (9920, 39284), (9982, 39040), (10304, 37820), (11224, 34720), (11408, 34160), (12880, 30256), (13237, 29440), (13664, 28520), (13888, 28060), (14030, 27776), (14260, 27328), (14720, 26474), (15128, 25760), (15616, 24955), (17080, 22816), (17360, 22448), (18910, 20608), (19520, 19964), (19642, 19840)]