170293880

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{20177}}^1$

素因数の和:20399

約数の個数: 32

約数和(自身を含む): 384996240

約数和(自身を除く): 214702360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 20177, 40354, 80708, 100885, 161416, 201770, 403540, 807080, 4257347, 8514694, 17029388, 21286735, 34058776, 42573470, 85146940, 170293880]

約数ペア:

[(1, 170293880), (2, 85146940), (4, 42573470), (5, 34058776), (8, 21286735), (10, 17029388), (20, 8514694), (40, 4257347), (211, 807080), (422, 403540), (844, 201770), (1055, 161416), (1688, 100885), (2110, 80708), (4220, 40354), (8440, 20177)]