289177540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{272809}}^1$

素因数の和:272871

約数の個数: 24

約数和(自身を含む): 618733080

約数和(自身を除く): 329555540

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 272809, 545618, 1091236, 1364045, 2728090, 5456180, 14458877, 28917754, 57835508, 72294385, 144588770, 289177540]

約数ペア:

[(1, 289177540), (2, 144588770), (4, 72294385), (5, 57835508), (10, 28917754), (20, 14458877), (53, 5456180), (106, 2728090), (212, 1364045), (265, 1091236), (530, 545618), (1060, 272809)]