230218640

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:664

約数の個数: 80

約数和(自身を含む): 550560000

約数和(自身を除く): 320341360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 79, 80, 146, 158, 292, 316, 365, 395, 499, 584, 632, 730, 790, 998, 1168, 1264, 1460, 1580, 1996, 2495, 2920, 3160, 3992, 4990, 5767, 5840, 6320, 7984, 9980, 11534, 19960, 23068, 28835, 36427, 39421, 39920, 46136, 57670, 72854, 78842, 92272, 115340, 145708, 157684, 182135, 197105, 230680, 291416, 315368, 364270, 394210, 461360, 582832, 630736, 728540, 788420, 1457080, 1576840, 2877733, 2914160, 3153680, 5755466, 11510932, 14388665, 23021864, 28777330, 46043728, 57554660, 115109320, 230218640]

約数ペア:

[(1, 230218640), (2, 115109320), (4, 57554660), (5, 46043728), (8, 28777330), (10, 23021864), (16, 14388665), (20, 11510932), (40, 5755466), (73, 3153680), (79, 2914160), (80, 2877733), (146, 1576840), (158, 1457080), (292, 788420), (316, 728540), (365, 630736), (395, 582832), (499, 461360), (584, 394210), (632, 364270), (730, 315368), (790, 291416), (998, 230680), (1168, 197105), (1264, 182135), (1460, 157684), (1580, 145708), (1996, 115340), (2495, 92272), (2920, 78842), (3160, 72854), (3992, 57670), (4990, 46136), (5767, 39920), (5840, 39421), (6320, 36427), (7984, 28835), (9980, 23068), (11534, 19960)]