8591380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{563}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 20845440

約数和(自身を除く): 12254060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 563, 763, 1090, 1126, 1526, 2180, 2252, 2815, 3052, 3815, 3941, 5630, 7630, 7882, 11260, 15260, 15764, 19705, 39410, 61367, 78820, 122734, 245468, 306835, 429569, 613670, 859138, 1227340, 1718276, 2147845, 4295690, 8591380]

約数ペア:

[(1, 8591380), (2, 4295690), (4, 2147845), (5, 1718276), (7, 1227340), (10, 859138), (14, 613670), (20, 429569), (28, 306835), (35, 245468), (70, 122734), (109, 78820), (140, 61367), (218, 39410), (436, 19705), (545, 15764), (563, 15260), (763, 11260), (1090, 7882), (1126, 7630), (1526, 5630), (2180, 3941), (2252, 3815), (2815, 3052)]