4009250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:132

約数の個数: 64

約数和(自身を含む): 8985600

約数和(自身を除く): 4976350

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 79, 125, 145, 158, 175, 203, 250, 290, 350, 395, 406, 553, 725, 790, 875, 1015, 1106, 1450, 1750, 1975, 2030, 2291, 2765, 3625, 3950, 4582, 5075, 5530, 7250, 9875, 10150, 11455, 13825, 16037, 19750, 22910, 25375, 27650, 32074, 50750, 57275, 69125, 80185, 114550, 138250, 160370, 286375, 400925, 572750, 801850, 2004625, 4009250]

約数ペア:

[(1, 4009250), (2, 2004625), (5, 801850), (7, 572750), (10, 400925), (14, 286375), (25, 160370), (29, 138250), (35, 114550), (50, 80185), (58, 69125), (70, 57275), (79, 50750), (125, 32074), (145, 27650), (158, 25375), (175, 22910), (203, 19750), (250, 16037), (290, 13825), (350, 11455), (395, 10150), (406, 9875), (553, 7250), (725, 5530), (790, 5075), (875, 4582), (1015, 3950), (1106, 3625), (1450, 2765), (1750, 2291), (1975, 2030)]