520033640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1249}}^1\times {\mathrm{1487}}^1$

素因数の和:2754

約数の個数: 64

約数和(自身を含む): 1339200000

約数和(自身を除く): 819166360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1249, 1487, 2498, 2974, 4996, 5948, 6245, 7435, 8743, 9992, 10409, 11896, 12490, 14870, 17486, 20818, 24980, 29740, 34972, 41636, 43715, 49960, 52045, 59480, 69944, 83272, 87430, 104090, 174860, 208180, 349720, 416360, 1857263, 3714526, 7429052, 9286315, 13000841, 14858104, 18572630, 26001682, 37145260, 52003364, 65004205, 74290520, 104006728, 130008410, 260016820, 520033640]

約数ペア:

[(1, 520033640), (2, 260016820), (4, 130008410), (5, 104006728), (7, 74290520), (8, 65004205), (10, 52003364), (14, 37145260), (20, 26001682), (28, 18572630), (35, 14858104), (40, 13000841), (56, 9286315), (70, 7429052), (140, 3714526), (280, 1857263), (1249, 416360), (1487, 349720), (2498, 208180), (2974, 174860), (4996, 104090), (5948, 87430), (6245, 83272), (7435, 69944), (8743, 59480), (9992, 52045), (10409, 49960), (11896, 43715), (12490, 41636), (14870, 34972), (17486, 29740), (20818, 24980)]