157211540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{253567}}^1$

素因数の和:253607

約数の個数: 24

約数和(自身を含む): 340795392

約数和(自身を除く): 183583852

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 253567, 507134, 1014268, 1267835, 2535670, 5071340, 7860577, 15721154, 31442308, 39302885, 78605770, 157211540]

約数ペア:

[(1, 157211540), (2, 78605770), (4, 39302885), (5, 31442308), (10, 15721154), (20, 7860577), (31, 5071340), (62, 2535670), (124, 1267835), (155, 1014268), (310, 507134), (620, 253567)]