89921750

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 177465600

約数和(自身を除く): 87543850

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 79, 125, 145, 157, 158, 250, 290, 314, 395, 725, 785, 790, 1450, 1570, 1975, 2291, 3625, 3925, 3950, 4553, 4582, 7250, 7850, 9106, 9875, 11455, 12403, 19625, 19750, 22765, 22910, 24806, 39250, 45530, 57275, 62015, 113825, 114550, 124030, 227650, 286375, 310075, 359687, 569125, 572750, 620150, 719374, 1138250, 1550375, 1798435, 3100750, 3596870, 8992175, 17984350, 44960875, 89921750]

約数ペア:

[(1, 89921750), (2, 44960875), (5, 17984350), (10, 8992175), (25, 3596870), (29, 3100750), (50, 1798435), (58, 1550375), (79, 1138250), (125, 719374), (145, 620150), (157, 572750), (158, 569125), (250, 359687), (290, 310075), (314, 286375), (395, 227650), (725, 124030), (785, 114550), (790, 113825), (1450, 62015), (1570, 57275), (1975, 45530), (2291, 39250), (3625, 24806), (3925, 22910), (3950, 22765), (4553, 19750), (4582, 19625), (7250, 12403), (7850, 11455), (9106, 9875)]