207789440

素因数分解:

$2^7\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2179}}^1$

素因数の和:2347

約数の個数: 64

約数和(自身を含む): 500310000

約数和(自身を除く): 292520560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 149, 160, 298, 320, 596, 640, 745, 1192, 1490, 2179, 2384, 2980, 4358, 4768, 5960, 8716, 9536, 10895, 11920, 17432, 19072, 21790, 23840, 34864, 43580, 47680, 69728, 87160, 95360, 139456, 174320, 278912, 324671, 348640, 649342, 697280, 1298684, 1394560, 1623355, 2597368, 3246710, 5194736, 6493420, 10389472, 12986840, 20778944, 25973680, 41557888, 51947360, 103894720, 207789440]

約数ペア:

[(1, 207789440), (2, 103894720), (4, 51947360), (5, 41557888), (8, 25973680), (10, 20778944), (16, 12986840), (20, 10389472), (32, 6493420), (40, 5194736), (64, 3246710), (80, 2597368), (128, 1623355), (149, 1394560), (160, 1298684), (298, 697280), (320, 649342), (596, 348640), (640, 324671), (745, 278912), (1192, 174320), (1490, 139456), (2179, 95360), (2384, 87160), (2980, 69728), (4358, 47680), (4768, 43580), (5960, 34864), (8716, 23840), (9536, 21790), (10895, 19072), (11920, 17432)]