1770220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1451}}^1$

素因数の和:1521

約数の個数: 24

約数和(自身を含む): 3781008

約数和(自身を除く): 2010788

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1451, 2902, 5804, 7255, 14510, 29020, 88511, 177022, 354044, 442555, 885110, 1770220]

約数ペア:

[(1, 1770220), (2, 885110), (4, 442555), (5, 354044), (10, 177022), (20, 88511), (61, 29020), (122, 14510), (244, 7255), (305, 5804), (610, 2902), (1220, 1451)]