208481860

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{196681}}^1$

素因数の和:196743

約数の個数: 24

約数和(自身を含む): 446074776

約数和(自身を除く): 237592916

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 196681, 393362, 786724, 983405, 1966810, 3933620, 10424093, 20848186, 41696372, 52120465, 104240930, 208481860]

約数ペア:

[(1, 208481860), (2, 104240930), (4, 52120465), (5, 41696372), (10, 20848186), (20, 10424093), (53, 3933620), (106, 1966810), (212, 983405), (265, 786724), (530, 393362), (1060, 196681)]