490479680

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{80671}}^1$

素因数の和:80707

約数の個数: 56

約数和(自身を含む): 1229441280

約数和(自身を除く): 738961600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 80671, 161342, 322684, 403355, 645368, 806710, 1290736, 1532749, 1613420, 2581472, 3065498, 3226840, 5162944, 6130996, 6453680, 7663745, 12261992, 12907360, 15327490, 24523984, 25814720, 30654980, 49047968, 61309960, 98095936, 122619920, 245239840, 490479680]

約数ペア:

[(1, 490479680), (2, 245239840), (4, 122619920), (5, 98095936), (8, 61309960), (10, 49047968), (16, 30654980), (19, 25814720), (20, 24523984), (32, 15327490), (38, 12907360), (40, 12261992), (64, 7663745), (76, 6453680), (80, 6130996), (95, 5162944), (152, 3226840), (160, 3065498), (190, 2581472), (304, 1613420), (320, 1532749), (380, 1290736), (608, 806710), (760, 645368), (1216, 403355), (1520, 322684), (3040, 161342), (6080, 80671)]