28042280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{100151}}^1$

素因数の和:100169

約数の個数: 32

約数和(自身を含む): 72109440

約数和(自身を除く): 44067160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 100151, 200302, 400604, 500755, 701057, 801208, 1001510, 1402114, 2003020, 2804228, 3505285, 4006040, 5608456, 7010570, 14021140, 28042280]

約数ペア:

[(1, 28042280), (2, 14021140), (4, 7010570), (5, 5608456), (7, 4006040), (8, 3505285), (10, 2804228), (14, 2003020), (20, 1402114), (28, 1001510), (35, 801208), (40, 701057), (56, 500755), (70, 400604), (140, 200302), (280, 100151)]