17984350

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:277

約数の個数: 48

約数和(自身を含む): 35265600

約数和(自身を除く): 17281250

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 79, 145, 157, 158, 290, 314, 395, 725, 785, 790, 1450, 1570, 1975, 2291, 3925, 3950, 4553, 4582, 7850, 9106, 11455, 12403, 22765, 22910, 24806, 45530, 57275, 62015, 113825, 114550, 124030, 227650, 310075, 359687, 620150, 719374, 1798435, 3596870, 8992175, 17984350]

約数ペア:

[(1, 17984350), (2, 8992175), (5, 3596870), (10, 1798435), (25, 719374), (29, 620150), (50, 359687), (58, 310075), (79, 227650), (145, 124030), (157, 114550), (158, 113825), (290, 62015), (314, 57275), (395, 45530), (725, 24806), (785, 22910), (790, 22765), (1450, 12403), (1570, 11455), (1975, 9106), (2291, 7850), (3925, 4582), (3950, 4553)]