405093025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{1601}}^1$

素因数の和:1989

約数の個数: 24

約数和(自身を含む): 521451000

約数和(自身を除く): 116357975

約数列:

[1, 5, 25, 29, 145, 349, 725, 1601, 1745, 8005, 8725, 10121, 40025, 46429, 50605, 232145, 253025, 558749, 1160725, 2793745, 13968725, 16203721, 81018605, 405093025]

約数ペア:

[(1, 405093025), (5, 81018605), (25, 16203721), (29, 13968725), (145, 2793745), (349, 1160725), (725, 558749), (1601, 253025), (1745, 232145), (8005, 50605), (8725, 46429), (10121, 40025)]