201857540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{165457}}^1$

素因数の和:165527

約数の個数: 24

約数和(自身を含む): 430852632

約数和(自身を除く): 228995092

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 165457, 330914, 661828, 827285, 1654570, 3309140, 10092877, 20185754, 40371508, 50464385, 100928770, 201857540]

約数ペア:

[(1, 201857540), (2, 100928770), (4, 50464385), (5, 40371508), (10, 20185754), (20, 10092877), (61, 3309140), (122, 1654570), (244, 827285), (305, 661828), (610, 330914), (1220, 165457)]