478540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 1022112

約数和(自身を除く): 543572

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 337, 355, 674, 710, 1348, 1420, 1685, 3370, 6740, 23927, 47854, 95708, 119635, 239270, 478540]

約数ペア:

[(1, 478540), (2, 239270), (4, 119635), (5, 95708), (10, 47854), (20, 23927), (71, 6740), (142, 3370), (284, 1685), (337, 1420), (355, 1348), (674, 710)]