268530020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1220591}}^1$

素因数の和:1220611

約数の個数: 24

約数和(自身を含む): 615178368

約数和(自身を除く): 346648348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1220591, 2441182, 4882364, 6102955, 12205910, 13426501, 24411820, 26853002, 53706004, 67132505, 134265010, 268530020]

約数ペア:

[(1, 268530020), (2, 134265010), (4, 67132505), (5, 53706004), (10, 26853002), (11, 24411820), (20, 13426501), (22, 12205910), (44, 6102955), (55, 4882364), (110, 2441182), (220, 1220591)]