197904080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{224891}}^1$

素因数の和:224915

約数の個数: 40

約数和(自身を含む): 501958944

約数和(自身を除く): 304054864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 224891, 449782, 899564, 1124455, 1799128, 2248910, 2473801, 3598256, 4497820, 4947602, 8995640, 9895204, 12369005, 17991280, 19790408, 24738010, 39580816, 49476020, 98952040, 197904080]

約数ペア:

[(1, 197904080), (2, 98952040), (4, 49476020), (5, 39580816), (8, 24738010), (10, 19790408), (11, 17991280), (16, 12369005), (20, 9895204), (22, 8995640), (40, 4947602), (44, 4497820), (55, 3598256), (80, 2473801), (88, 2248910), (110, 1799128), (176, 1124455), (220, 899564), (440, 449782), (880, 224891)]