251612330

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1\times {\mathrm{643}}^1$

素因数の和:1118

約数の個数: 32

約数和(自身を含む): 459043200

約数和(自身を除く): 207430870

約数列:

[1, 2, 5, 10, 109, 218, 359, 545, 643, 718, 1090, 1286, 1795, 3215, 3590, 6430, 39131, 70087, 78262, 140174, 195655, 230837, 350435, 391310, 461674, 700870, 1154185, 2308370, 25161233, 50322466, 125806165, 251612330]

約数ペア:

[(1, 251612330), (2, 125806165), (5, 50322466), (10, 25161233), (109, 2308370), (218, 1154185), (359, 700870), (545, 461674), (643, 391310), (718, 350435), (1090, 230837), (1286, 195655), (1795, 140174), (3215, 78262), (3590, 70087), (6430, 39131)]