161710220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{10597}}^1$

素因数の和:10722

約数の個数: 48

約数和(自身を含む): 391702080

約数和(自身を除く): 229991860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 10597, 15260, 21194, 42388, 52985, 74179, 105970, 148358, 211940, 296716, 370895, 741790, 1155073, 1483580, 2310146, 4620292, 5775365, 8085511, 11550730, 16171022, 23101460, 32342044, 40427555, 80855110, 161710220]

約数ペア:

[(1, 161710220), (2, 80855110), (4, 40427555), (5, 32342044), (7, 23101460), (10, 16171022), (14, 11550730), (20, 8085511), (28, 5775365), (35, 4620292), (70, 2310146), (109, 1483580), (140, 1155073), (218, 741790), (436, 370895), (545, 296716), (763, 211940), (1090, 148358), (1526, 105970), (2180, 74179), (3052, 52985), (3815, 42388), (7630, 21194), (10597, 15260)]