394302320

素因数分解:

$2^4\times 5^1\times {\mathrm{4928779}}^1$

素因数の和:4928792

約数の個数: 20

約数和(自身を含む): 916753080

約数和(自身を除く): 522450760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4928779, 9857558, 19715116, 24643895, 39430232, 49287790, 78860464, 98575580, 197151160, 394302320]

約数ペア:

[(1, 394302320), (2, 197151160), (4, 98575580), (5, 78860464), (8, 49287790), (10, 39430232), (16, 24643895), (20, 19715116), (40, 9857558), (80, 4928779)]