217179620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{15061}}^1$

素因数の和:15180

約数の個数: 48

約数和(自身を含む): 526326528

約数和(自身を除く): 309146908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 7210, 14420, 15061, 30122, 60244, 75305, 105427, 150610, 210854, 301220, 421708, 527135, 1054270, 1551283, 2108540, 3102566, 6205132, 7756415, 10858981, 15512830, 21717962, 31025660, 43435924, 54294905, 108589810, 217179620]

約数ペア:

[(1, 217179620), (2, 108589810), (4, 54294905), (5, 43435924), (7, 31025660), (10, 21717962), (14, 15512830), (20, 10858981), (28, 7756415), (35, 6205132), (70, 3102566), (103, 2108540), (140, 1551283), (206, 1054270), (412, 527135), (515, 421708), (721, 301220), (1030, 210854), (1442, 150610), (2060, 105427), (2884, 75305), (3605, 60244), (7210, 30122), (14420, 15061)]