123702980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{213281}}^1$

素因数の和:213319

約数の個数: 24

約数和(自身を含む): 268735320

約数和(自身を除く): 145032340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 213281, 426562, 853124, 1066405, 2132810, 4265620, 6185149, 12370298, 24740596, 30925745, 61851490, 123702980]

約数ペア:

[(1, 123702980), (2, 61851490), (4, 30925745), (5, 24740596), (10, 12370298), (20, 6185149), (29, 4265620), (58, 2132810), (116, 1066405), (145, 853124), (290, 426562), (580, 213281)]