28224140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{449}}^2$

素因数の和:914

約数の個数: 36

約数和(自身を含む): 67889136

約数和(自身を除く): 39664996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 449, 898, 1796, 2245, 3143, 4490, 6286, 8980, 12572, 15715, 31430, 62860, 201601, 403202, 806404, 1008005, 1411207, 2016010, 2822414, 4032020, 5644828, 7056035, 14112070, 28224140]

約数ペア:

[(1, 28224140), (2, 14112070), (4, 7056035), (5, 5644828), (7, 4032020), (10, 2822414), (14, 2016010), (20, 1411207), (28, 1008005), (35, 806404), (70, 403202), (140, 201601), (449, 62860), (898, 31430), (1796, 15715), (2245, 12572), (3143, 8980), (4490, 6286)]