12981850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1279}}^1$

素因数の和:1327

約数の個数: 48

約数和(自身を含む): 28569600

約数和(自身を除く): 15587750

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 145, 175, 203, 290, 350, 406, 725, 1015, 1279, 1450, 2030, 2558, 5075, 6395, 8953, 10150, 12790, 17906, 31975, 37091, 44765, 63950, 74182, 89530, 185455, 223825, 259637, 370910, 447650, 519274, 927275, 1298185, 1854550, 2596370, 6490925, 12981850]

約数ペア:

[(1, 12981850), (2, 6490925), (5, 2596370), (7, 1854550), (10, 1298185), (14, 927275), (25, 519274), (29, 447650), (35, 370910), (50, 259637), (58, 223825), (70, 185455), (145, 89530), (175, 74182), (203, 63950), (290, 44765), (350, 37091), (406, 31975), (725, 17906), (1015, 12790), (1279, 10150), (1450, 8953), (2030, 6395), (2558, 5075)]