157435780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{521}}^2$

素因数の和:1080

約数の個数: 36

約数和(自身を含む): 342673380

約数和(自身を除く): 185237600

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 521, 580, 1042, 2084, 2605, 5210, 10420, 15109, 30218, 60436, 75545, 151090, 271441, 302180, 542882, 1085764, 1357205, 2714410, 5428820, 7871789, 15743578, 31487156, 39358945, 78717890, 157435780]

約数ペア:

[(1, 157435780), (2, 78717890), (4, 39358945), (5, 31487156), (10, 15743578), (20, 7871789), (29, 5428820), (58, 2714410), (116, 1357205), (145, 1085764), (290, 542882), (521, 302180), (580, 271441), (1042, 151090), (2084, 75545), (2605, 60436), (5210, 30218), (10420, 15109)]