28629740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{757}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 63162624

約数和(自身を除く): 34532884

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 757, 1220, 1514, 1891, 3028, 3782, 3785, 7564, 7570, 9455, 15140, 18910, 23467, 37820, 46177, 46934, 92354, 93868, 117335, 184708, 230885, 234670, 461770, 469340, 923540, 1431487, 2862974, 5725948, 7157435, 14314870, 28629740]

約数ペア:

[(1, 28629740), (2, 14314870), (4, 7157435), (5, 5725948), (10, 2862974), (20, 1431487), (31, 923540), (61, 469340), (62, 461770), (122, 234670), (124, 230885), (155, 184708), (244, 117335), (305, 93868), (310, 92354), (610, 46934), (620, 46177), (757, 37820), (1220, 23467), (1514, 18910), (1891, 15140), (3028, 9455), (3782, 7570), (3785, 7564)]