8589140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3229}}^1$

素因数の和:3264

約数の個数: 48

約数和(自身を含む): 21705600

約数和(自身を除く): 13116460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 3229, 6458, 12916, 16145, 22603, 32290, 45206, 61351, 64580, 90412, 113015, 122702, 226030, 245404, 306755, 429457, 452060, 613510, 858914, 1227020, 1717828, 2147285, 4294570, 8589140]

約数ペア:

[(1, 8589140), (2, 4294570), (4, 2147285), (5, 1717828), (7, 1227020), (10, 858914), (14, 613510), (19, 452060), (20, 429457), (28, 306755), (35, 245404), (38, 226030), (70, 122702), (76, 113015), (95, 90412), (133, 64580), (140, 61351), (190, 45206), (266, 32290), (380, 22603), (532, 16145), (665, 12916), (1330, 6458), (2660, 3229)]