144400220

素因数分解:

$2^2\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{6949}}^1$

素因数の和:7997

約数の個数: 24

約数和(自身を含む): 303576000

約数和(自身を除く): 159175780

約数列:

[1, 2, 4, 5, 10, 20, 1039, 2078, 4156, 5195, 6949, 10390, 13898, 20780, 27796, 34745, 69490, 138980, 7220011, 14440022, 28880044, 36100055, 72200110, 144400220]

約数ペア:

[(1, 144400220), (2, 72200110), (4, 36100055), (5, 28880044), (10, 14440022), (20, 7220011), (1039, 138980), (2078, 69490), (4156, 34745), (5195, 27796), (6949, 20780), (10390, 13898)]