244604620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{940787}}^1$

素因数の和:940809

約数の個数: 24

約数和(自身を含む): 553183344

約数和(自身を除く): 308578724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 940787, 1881574, 3763148, 4703935, 9407870, 12230231, 18815740, 24460462, 48920924, 61151155, 122302310, 244604620]

約数ペア:

[(1, 244604620), (2, 122302310), (4, 61151155), (5, 48920924), (10, 24460462), (13, 18815740), (20, 12230231), (26, 9407870), (52, 4703935), (65, 3763148), (130, 1881574), (260, 940787)]