660388870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1\times {\mathrm{6451}}^1$

素因数の和:6840

約数の個数: 32

約数和(自身を含む): 1233364320

約数和(自身を除く): 572975450

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 353, 706, 1765, 3530, 6451, 10237, 12902, 20474, 32255, 51185, 64510, 102370, 187079, 374158, 935395, 1870790, 2277203, 4554406, 11386015, 22772030, 66038887, 132077774, 330194435, 660388870]

約数ペア:

[(1, 660388870), (2, 330194435), (5, 132077774), (10, 66038887), (29, 22772030), (58, 11386015), (145, 4554406), (290, 2277203), (353, 1870790), (706, 935395), (1765, 374158), (3530, 187079), (6451, 102370), (10237, 64510), (12902, 51185), (20474, 32255)]