680920180

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{5393}}^1$

素因数の和:5568

約数の個数: 48

約数和(自身を含む): 1468031040

約数和(自身を除く): 787110860

約数列:

[1, 2, 4, 5, 10, 20, 59, 107, 118, 214, 236, 295, 428, 535, 590, 1070, 1180, 2140, 5393, 6313, 10786, 12626, 21572, 25252, 26965, 31565, 53930, 63130, 107860, 126260, 318187, 577051, 636374, 1154102, 1272748, 1590935, 2308204, 2885255, 3181870, 5770510, 6363740, 11541020, 34046009, 68092018, 136184036, 170230045, 340460090, 680920180]

約数ペア:

[(1, 680920180), (2, 340460090), (4, 170230045), (5, 136184036), (10, 68092018), (20, 34046009), (59, 11541020), (107, 6363740), (118, 5770510), (214, 3181870), (236, 2885255), (295, 2308204), (428, 1590935), (535, 1272748), (590, 1154102), (1070, 636374), (1180, 577051), (2140, 318187), (5393, 126260), (6313, 107860), (10786, 63130), (12626, 53930), (21572, 31565), (25252, 26965)]