157021240

素因数分解:

$2^3\times 5^1\times {\mathrm{569}}^1\times {\mathrm{6899}}^1$

素因数の和:7479

約数の個数: 32

約数和(自身を含む): 353970000

約数和(自身を除く): 196948760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 569, 1138, 2276, 2845, 4552, 5690, 6899, 11380, 13798, 22760, 27596, 34495, 55192, 68990, 137980, 275960, 3925531, 7851062, 15702124, 19627655, 31404248, 39255310, 78510620, 157021240]

約数ペア:

[(1, 157021240), (2, 78510620), (4, 39255310), (5, 31404248), (8, 19627655), (10, 15702124), (20, 7851062), (40, 3925531), (569, 275960), (1138, 137980), (2276, 68990), (2845, 55192), (4552, 34495), (5690, 27596), (6899, 22760), (11380, 13798)]