1900660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{113}}^1$

素因数の和:180

約数の個数: 36

約数和(自身を含む): 4170348

約数和(自身を除く): 2269688

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 113, 116, 145, 226, 290, 452, 565, 580, 841, 1130, 1682, 2260, 3277, 3364, 4205, 6554, 8410, 13108, 16385, 16820, 32770, 65540, 95033, 190066, 380132, 475165, 950330, 1900660]

約数ペア:

[(1, 1900660), (2, 950330), (4, 475165), (5, 380132), (10, 190066), (20, 95033), (29, 65540), (58, 32770), (113, 16820), (116, 16385), (145, 13108), (226, 8410), (290, 6554), (452, 4205), (565, 3364), (580, 3277), (841, 2260), (1130, 1682)]