279997175

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{2819}}^1$

素因数の和:2995

約数の個数: 24

約数和(自身を含む): 361918800

約数和(自身を除く): 81921625

約数列:

[1, 5, 25, 29, 137, 145, 685, 725, 2819, 3425, 3973, 14095, 19865, 70475, 81751, 99325, 386203, 408755, 1931015, 2043775, 9655075, 11199887, 55999435, 279997175]

約数ペア:

[(1, 279997175), (5, 55999435), (25, 11199887), (29, 9655075), (137, 2043775), (145, 1931015), (685, 408755), (725, 386203), (2819, 99325), (3425, 81751), (3973, 70475), (14095, 19865)]