2891313890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{118061}}^1$

素因数の和:118178

約数の個数: 32

約数和(自身を含む): 5440296960

約数和(自身を除く): 2548983070

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 790, 2449, 4898, 12245, 24490, 118061, 236122, 590305, 1180610, 3659891, 7319782, 9326819, 18299455, 18653638, 36598910, 46634095, 93268190, 289131389, 578262778, 1445656945, 2891313890]

約数ペア:

[(1, 2891313890), (2, 1445656945), (5, 578262778), (10, 289131389), (31, 93268190), (62, 46634095), (79, 36598910), (155, 18653638), (158, 18299455), (310, 9326819), (395, 7319782), (790, 3659891), (2449, 1180610), (4898, 590305), (12245, 236122), (24490, 118061)]