68636540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{941}}^1$

素因数の和:1478

約数の個数: 48

約数和(自身を含む): 165219264

約数和(自身を除く): 96582724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 521, 941, 1042, 1882, 2084, 2605, 3647, 3764, 4705, 5210, 6587, 7294, 9410, 10420, 13174, 14588, 18235, 18820, 26348, 32935, 36470, 65870, 72940, 131740, 490261, 980522, 1961044, 2451305, 3431827, 4902610, 6863654, 9805220, 13727308, 17159135, 34318270, 68636540]

約数ペア:

[(1, 68636540), (2, 34318270), (4, 17159135), (5, 13727308), (7, 9805220), (10, 6863654), (14, 4902610), (20, 3431827), (28, 2451305), (35, 1961044), (70, 980522), (140, 490261), (521, 131740), (941, 72940), (1042, 65870), (1882, 36470), (2084, 32935), (2605, 26348), (3647, 18820), (3764, 18235), (4705, 14588), (5210, 13174), (6587, 10420), (7294, 9410)]