299540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{881}}^1$

素因数の和:907

約数の個数: 24

約数和(自身を含む): 666792

約数和(自身を除く): 367252

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 881, 1762, 3524, 4405, 8810, 14977, 17620, 29954, 59908, 74885, 149770, 299540]

約数ペア:

[(1, 299540), (2, 149770), (4, 74885), (5, 59908), (10, 29954), (17, 17620), (20, 14977), (34, 8810), (68, 4405), (85, 3524), (170, 1762), (340, 881)]