215304740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{21067}}^1$

素因数の和:21156

約数の個数: 48

約数和(自身を含む): 523834752

約数和(自身を除く): 308530012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 21067, 42134, 84268, 105335, 147469, 210670, 294938, 421340, 589876, 737345, 1474690, 1537891, 2949380, 3075782, 6151564, 7689455, 10765237, 15378910, 21530474, 30757820, 43060948, 53826185, 107652370, 215304740]

約数ペア:

[(1, 215304740), (2, 107652370), (4, 53826185), (5, 43060948), (7, 30757820), (10, 21530474), (14, 15378910), (20, 10765237), (28, 7689455), (35, 6151564), (70, 3075782), (73, 2949380), (140, 1537891), (146, 1474690), (292, 737345), (365, 589876), (511, 421340), (730, 294938), (1022, 210670), (1460, 147469), (2044, 105335), (2555, 84268), (5110, 42134), (10220, 21067)]