820700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{283}}^1$

素因数の和:326

約数の個数: 36

約数和(自身を含む): 1848840

約数和(自身を除く): 1028140

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 283, 290, 566, 580, 725, 1132, 1415, 1450, 2830, 2900, 5660, 7075, 8207, 14150, 16414, 28300, 32828, 41035, 82070, 164140, 205175, 410350, 820700]

約数ペア:

[(1, 820700), (2, 410350), (4, 205175), (5, 164140), (10, 82070), (20, 41035), (25, 32828), (29, 28300), (50, 16414), (58, 14150), (100, 8207), (116, 7075), (145, 5660), (283, 2900), (290, 2830), (566, 1450), (580, 1415), (725, 1132)]