421256900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^2\times {\mathrm{5009}}^1$

素因数の和:5081

約数の個数: 54

約数和(自身を含む): 946925070

約数和(自身を除く): 525668170

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 841, 1450, 1682, 2900, 3364, 4205, 5009, 8410, 10018, 16820, 20036, 21025, 25045, 42050, 50090, 84100, 100180, 125225, 145261, 250450, 290522, 500900, 581044, 726305, 1452610, 2905220, 3631525, 4212569, 7263050, 8425138, 14526100, 16850276, 21062845, 42125690, 84251380, 105314225, 210628450, 421256900]

約数ペア:

[(1, 421256900), (2, 210628450), (4, 105314225), (5, 84251380), (10, 42125690), (20, 21062845), (25, 16850276), (29, 14526100), (50, 8425138), (58, 7263050), (100, 4212569), (116, 3631525), (145, 2905220), (290, 1452610), (580, 726305), (725, 581044), (841, 500900), (1450, 290522), (1682, 250450), (2900, 145261), (3364, 125225), (4205, 100180), (5009, 84100), (8410, 50090), (10018, 42050), (16820, 25045), (20036, 21025)]