717320

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 1641600

約数和(自身を除く): 924280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 227, 316, 395, 454, 632, 790, 908, 1135, 1580, 1816, 2270, 3160, 4540, 9080, 17933, 35866, 71732, 89665, 143464, 179330, 358660, 717320]

約数ペア:

[(1, 717320), (2, 358660), (4, 179330), (5, 143464), (8, 89665), (10, 71732), (20, 35866), (40, 17933), (79, 9080), (158, 4540), (227, 3160), (316, 2270), (395, 1816), (454, 1580), (632, 1135), (790, 908)]