1985521870

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{12641}}^1$

素因数の和:12900

約数の個数: 32

約数和(自身を含む): 3631793760

約数和(自身を除く): 1646271890

約数列:

[1, 2, 5, 10, 113, 139, 226, 278, 565, 695, 1130, 1390, 12641, 15707, 25282, 31414, 63205, 78535, 126410, 157070, 1428433, 1757099, 2856866, 3514198, 7142165, 8785495, 14284330, 17570990, 198552187, 397104374, 992760935, 1985521870]

約数ペア:

[(1, 1985521870), (2, 992760935), (5, 397104374), (10, 198552187), (113, 17570990), (139, 14284330), (226, 8785495), (278, 7142165), (565, 3514198), (695, 2856866), (1130, 1757099), (1390, 1428433), (12641, 157070), (15707, 126410), (25282, 78535), (31414, 63205)]