490783120

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149629}}^1$

素因数の和:149683

約数の個数: 40

約数和(自身を含む): 1168909560

約数和(自身を除く): 678126440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 149629, 299258, 598516, 748145, 1197032, 1496290, 2394064, 2992580, 5985160, 6134789, 11970320, 12269578, 24539156, 30673945, 49078312, 61347890, 98156624, 122695780, 245391560, 490783120]

約数ペア:

[(1, 490783120), (2, 245391560), (4, 122695780), (5, 98156624), (8, 61347890), (10, 49078312), (16, 30673945), (20, 24539156), (40, 12269578), (41, 11970320), (80, 6134789), (82, 5985160), (164, 2992580), (205, 2394064), (328, 1496290), (410, 1197032), (656, 748145), (820, 598516), (1640, 299258), (3280, 149629)]