139316240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{248779}}^1$

素因数の和:248799

約数の個数: 40

約数和(自身を含む): 370184640

約数和(自身を除く): 230868400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 248779, 497558, 995116, 1243895, 1741453, 1990232, 2487790, 3482906, 3980464, 4975580, 6965812, 8707265, 9951160, 13931624, 17414530, 19902320, 27863248, 34829060, 69658120, 139316240]

約数ペア:

[(1, 139316240), (2, 69658120), (4, 34829060), (5, 27863248), (7, 19902320), (8, 17414530), (10, 13931624), (14, 9951160), (16, 8707265), (20, 6965812), (28, 4975580), (35, 3980464), (40, 3482906), (56, 2487790), (70, 1990232), (80, 1741453), (112, 1243895), (140, 995116), (280, 497558), (560, 248779)]