168859480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{136177}}^1$

素因数の和:136219

約数の個数: 32

約数和(自身を含む): 392192640

約数和(自身を除く): 223333160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 136177, 272354, 544708, 680885, 1089416, 1361770, 2723540, 4221487, 5447080, 8442974, 16885948, 21107435, 33771896, 42214870, 84429740, 168859480]

約数ペア:

[(1, 168859480), (2, 84429740), (4, 42214870), (5, 33771896), (8, 21107435), (10, 16885948), (20, 8442974), (31, 5447080), (40, 4221487), (62, 2723540), (124, 1361770), (155, 1089416), (248, 680885), (310, 544708), (620, 272354), (1240, 136177)]