1788891140

素因数分解:

$2^2\times 5^1\times {\mathrm{2141}}^1\times {\mathrm{41777}}^1$

素因数の和:43927

約数の個数: 24

約数和(自身を含む): 3758515992

約数和(自身を除く): 1969624852

約数列:

[1, 2, 4, 5, 10, 20, 2141, 4282, 8564, 10705, 21410, 41777, 42820, 83554, 167108, 208885, 417770, 835540, 89444557, 178889114, 357778228, 447222785, 894445570, 1788891140]

約数ペア:

[(1, 1788891140), (2, 894445570), (4, 447222785), (5, 357778228), (10, 178889114), (20, 89444557), (2141, 835540), (4282, 417770), (8564, 208885), (10705, 167108), (21410, 83554), (41777, 42820)]