172579480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139177}}^1$

素因数の和:139219

約数の個数: 32

約数和(自身を含む): 400832640

約数和(自身を除く): 228253160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 139177, 278354, 556708, 695885, 1113416, 1391770, 2783540, 4314487, 5567080, 8628974, 17257948, 21572435, 34515896, 43144870, 86289740, 172579480]

約数ペア:

[(1, 172579480), (2, 86289740), (4, 43144870), (5, 34515896), (8, 21572435), (10, 17257948), (20, 8628974), (31, 5567080), (40, 4314487), (62, 2783540), (124, 1391770), (155, 1113416), (248, 695885), (310, 556708), (620, 278354), (1240, 139177)]