201948140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{142217}}^1$

素因数の和:142297

約数の個数: 24

約数和(自身を含む): 430067232

約数和(自身を除く): 228119092

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 142217, 284434, 568868, 711085, 1422170, 2844340, 10097407, 20194814, 40389628, 50487035, 100974070, 201948140]

約数ペア:

[(1, 201948140), (2, 100974070), (4, 50487035), (5, 40389628), (10, 20194814), (20, 10097407), (71, 2844340), (142, 1422170), (284, 711085), (355, 568868), (710, 284434), (1420, 142217)]