99389680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{421}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 250546464

約数和(自身を除く): 151156784

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 227, 260, 421, 454, 520, 842, 908, 1040, 1135, 1684, 1816, 2105, 2270, 2951, 3368, 3632, 4210, 4540, 5473, 5902, 6736, 8420, 9080, 10946, 11804, 14755, 16840, 18160, 21892, 23608, 27365, 29510, 33680, 43784, 47216, 54730, 59020, 87568, 95567, 109460, 118040, 191134, 218920, 236080, 382268, 437840, 477835, 764536, 955670, 1242371, 1529072, 1911340, 2484742, 3822680, 4969484, 6211855, 7645360, 9938968, 12423710, 19877936, 24847420, 49694840, 99389680]

約数ペア:

[(1, 99389680), (2, 49694840), (4, 24847420), (5, 19877936), (8, 12423710), (10, 9938968), (13, 7645360), (16, 6211855), (20, 4969484), (26, 3822680), (40, 2484742), (52, 1911340), (65, 1529072), (80, 1242371), (104, 955670), (130, 764536), (208, 477835), (227, 437840), (260, 382268), (421, 236080), (454, 218920), (520, 191134), (842, 118040), (908, 109460), (1040, 95567), (1135, 87568), (1684, 59020), (1816, 54730), (2105, 47216), (2270, 43784), (2951, 33680), (3368, 29510), (3632, 27365), (4210, 23608), (4540, 21892), (5473, 18160), (5902, 16840), (6736, 14755), (8420, 11804), (9080, 10946)]