202100620

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{67819}}^1$

素因数の和:67977

約数の個数: 24

約数和(自身を含む): 427266000

約数和(自身を除く): 225165380

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 67819, 135638, 271276, 339095, 678190, 1356380, 10105031, 20210062, 40420124, 50525155, 101050310, 202100620]

約数ペア:

[(1, 202100620), (2, 101050310), (4, 50525155), (5, 40420124), (10, 20210062), (20, 10105031), (149, 1356380), (298, 678190), (596, 339095), (745, 271276), (1490, 135638), (2980, 67819)]