680177450

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{223009}}^1$

素因数の和:223082

約数の個数: 24

約数和(自身を含む): 1285875660

約数和(自身を除く): 605698210

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 305, 610, 1525, 3050, 223009, 446018, 1115045, 2230090, 5575225, 11150450, 13603549, 27207098, 68017745, 136035490, 340088725, 680177450]

約数ペア:

[(1, 680177450), (2, 340088725), (5, 136035490), (10, 68017745), (25, 27207098), (50, 13603549), (61, 11150450), (122, 5575225), (305, 2230090), (610, 1115045), (1525, 446018), (3050, 223009)]