208524620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{548749}}^1$

素因数の和:548777

約数の個数: 24

約数和(自身を含む): 460950000

約数和(自身を除く): 252425380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 548749, 1097498, 2194996, 2743745, 5487490, 10426231, 10974980, 20852462, 41704924, 52131155, 104262310, 208524620]

約数ペア:

[(1, 208524620), (2, 104262310), (4, 52131155), (5, 41704924), (10, 20852462), (19, 10974980), (20, 10426231), (38, 5487490), (76, 2743745), (95, 2194996), (190, 1097498), (380, 548749)]