290414900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{47609}}^1$

素因数の和:47684

約数の個数: 36

約数和(自身を含む): 640544940

約数和(自身を除く): 350130040

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 6100, 47609, 95218, 190436, 238045, 476090, 952180, 1190225, 2380450, 2904149, 4760900, 5808298, 11616596, 14520745, 29041490, 58082980, 72603725, 145207450, 290414900]

約数ペア:

[(1, 290414900), (2, 145207450), (4, 72603725), (5, 58082980), (10, 29041490), (20, 14520745), (25, 11616596), (50, 5808298), (61, 4760900), (100, 2904149), (122, 2380450), (244, 1190225), (305, 952180), (610, 476090), (1220, 238045), (1525, 190436), (3050, 95218), (6100, 47609)]