840620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3821}}^1$

素因数の和:3841

約数の個数: 24

約数和(自身を含む): 1926288

約数和(自身を除く): 1085668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 3821, 7642, 15284, 19105, 38210, 42031, 76420, 84062, 168124, 210155, 420310, 840620]

約数ペア:

[(1, 840620), (2, 420310), (4, 210155), (5, 168124), (10, 84062), (11, 76420), (20, 42031), (22, 38210), (44, 19105), (55, 15284), (110, 7642), (220, 3821)]