726719990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1229}}^1\times {\mathrm{2039}}^1$

素因数の和:3304

約数の個数: 32

約数和(自身を含む): 1354968000

約数和(自身を除く): 628248010

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 1229, 2039, 2458, 4078, 6145, 10195, 12290, 20390, 35641, 59131, 71282, 118262, 178205, 295655, 356410, 591310, 2505931, 5011862, 12529655, 25059310, 72671999, 145343998, 363359995, 726719990]

約数ペア:

[(1, 726719990), (2, 363359995), (5, 145343998), (10, 72671999), (29, 25059310), (58, 12529655), (145, 5011862), (290, 2505931), (1229, 591310), (2039, 356410), (2458, 295655), (4078, 178205), (6145, 118262), (10195, 71282), (12290, 59131), (20390, 35641)]