247788007420

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{40356353}}^1$

素因数の和:40356669

約数の個数: 24

約数和(自身を含む): 522049795344

約数和(自身を除く): 274261787924

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 6140, 40356353, 80712706, 161425412, 201781765, 403563530, 807127060, 12389400371, 24778800742, 49557601484, 61947001855, 123894003710, 247788007420]

約数ペア:

[(1, 247788007420), (2, 123894003710), (4, 61947001855), (5, 49557601484), (10, 24778800742), (20, 12389400371), (307, 807127060), (614, 403563530), (1228, 201781765), (1535, 161425412), (3070, 80712706), (6140, 40356353)]