172723940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{4567}}^1$

素因数の和:4668

約数の個数: 48

約数和(自身を含む): 380642304

約数和(自身を除く): 207918364

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1220, 1891, 3782, 4567, 7564, 9134, 9455, 18268, 18910, 22835, 37820, 45670, 91340, 141577, 278587, 283154, 557174, 566308, 707885, 1114348, 1392935, 1415770, 2785870, 2831540, 5571740, 8636197, 17272394, 34544788, 43180985, 86361970, 172723940]

約数ペア:

[(1, 172723940), (2, 86361970), (4, 43180985), (5, 34544788), (10, 17272394), (20, 8636197), (31, 5571740), (61, 2831540), (62, 2785870), (122, 1415770), (124, 1392935), (155, 1114348), (244, 707885), (305, 566308), (310, 557174), (610, 283154), (620, 278587), (1220, 141577), (1891, 91340), (3782, 45670), (4567, 37820), (7564, 22835), (9134, 18910), (9455, 18268)]