108428180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{110641}}^1$

素因数の和:110664

約数の個数: 36

約数和(自身を含む): 264876948

約数和(自身を除く): 156448768

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 110641, 221282, 442564, 553205, 774487, 1106410, 1548974, 2212820, 3097948, 3872435, 5421409, 7744870, 10842818, 15489740, 21685636, 27107045, 54214090, 108428180]

約数ペア:

[(1, 108428180), (2, 54214090), (4, 27107045), (5, 21685636), (7, 15489740), (10, 10842818), (14, 7744870), (20, 5421409), (28, 3872435), (35, 3097948), (49, 2212820), (70, 1548974), (98, 1106410), (140, 774487), (196, 553205), (245, 442564), (490, 221282), (980, 110641)]