260543975

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{4549}}^1$

素因数の和:4667

約数の個数: 24

約数和(自身を含む): 338520000

約数和(自身を除く): 77976025

約数列:

[1, 5, 25, 29, 79, 145, 395, 725, 1975, 2291, 4549, 11455, 22745, 57275, 113725, 131921, 359371, 659605, 1796855, 3298025, 8984275, 10421759, 52108795, 260543975]

約数ペア:

[(1, 260543975), (5, 52108795), (25, 10421759), (29, 8984275), (79, 3298025), (145, 1796855), (395, 659605), (725, 359371), (1975, 131921), (2291, 113725), (4549, 57275), (11455, 22745)]