490488560

素因数分解:

$2^4\times 5^1\times {\mathrm{877}}^1\times {\mathrm{6991}}^1$

素因数の和:7881

約数の個数: 40

約数和(自身を含む): 1141849536

約数和(自身を除く): 651360976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 877, 1754, 3508, 4385, 6991, 7016, 8770, 13982, 14032, 17540, 27964, 34955, 35080, 55928, 69910, 70160, 111856, 139820, 279640, 559280, 6131107, 12262214, 24524428, 30655535, 49048856, 61311070, 98097712, 122622140, 245244280, 490488560]

約数ペア:

[(1, 490488560), (2, 245244280), (4, 122622140), (5, 98097712), (8, 61311070), (10, 49048856), (16, 30655535), (20, 24524428), (40, 12262214), (80, 6131107), (877, 559280), (1754, 279640), (3508, 139820), (4385, 111856), (6991, 70160), (7016, 69910), (8770, 55928), (13982, 35080), (14032, 34955), (17540, 27964)]