2721220

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{379}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 5745600

約数和(自身を除く): 3024380

約数列:

[1, 2, 4, 5, 10, 20, 359, 379, 718, 758, 1436, 1516, 1795, 1895, 3590, 3790, 7180, 7580, 136061, 272122, 544244, 680305, 1360610, 2721220]

約数ペア:

[(1, 2721220), (2, 1360610), (4, 680305), (5, 544244), (10, 272122), (20, 136061), (359, 7580), (379, 7180), (718, 3790), (758, 3590), (1436, 1895), (1516, 1795)]