30901580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{90887}}^1$

素因数の和:90913

約数の個数: 24

約数和(自身を含む): 68711328

約数和(自身を除く): 37809748

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 90887, 181774, 363548, 454435, 908870, 1545079, 1817740, 3090158, 6180316, 7725395, 15450790, 30901580]

約数ペア:

[(1, 30901580), (2, 15450790), (4, 7725395), (5, 6180316), (10, 3090158), (17, 1817740), (20, 1545079), (34, 908870), (68, 454435), (85, 363548), (170, 181774), (340, 90887)]