169612900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^2\times {\mathrm{1009}}^1$

素因数の和:1105

約数の個数: 54

約数和(自身を含む): 377629910

約数和(自身を除く): 208017010

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1009, 1025, 1681, 2018, 2050, 3362, 4036, 4100, 5045, 6724, 8405, 10090, 16810, 20180, 25225, 33620, 41369, 42025, 50450, 82738, 84050, 100900, 165476, 168100, 206845, 413690, 827380, 1034225, 1696129, 2068450, 3392258, 4136900, 6784516, 8480645, 16961290, 33922580, 42403225, 84806450, 169612900]

約数ペア:

[(1, 169612900), (2, 84806450), (4, 42403225), (5, 33922580), (10, 16961290), (20, 8480645), (25, 6784516), (41, 4136900), (50, 3392258), (82, 2068450), (100, 1696129), (164, 1034225), (205, 827380), (410, 413690), (820, 206845), (1009, 168100), (1025, 165476), (1681, 100900), (2018, 84050), (2050, 82738), (3362, 50450), (4036, 42025), (4100, 41369), (5045, 33620), (6724, 25225), (8405, 20180), (10090, 16810)]