199842940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{908377}}^1$

素因数の和:908397

約数の個数: 24

約数和(自身を含む): 457822512

約数和(自身を除く): 257979572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 908377, 1816754, 3633508, 4541885, 9083770, 9992147, 18167540, 19984294, 39968588, 49960735, 99921470, 199842940]

約数ペア:

[(1, 199842940), (2, 99921470), (4, 49960735), (5, 39968588), (10, 19984294), (11, 18167540), (20, 9992147), (22, 9083770), (44, 4541885), (55, 3633508), (110, 1816754), (220, 908377)]