284780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 619920

約数和(自身を除く): 335140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 491, 580, 982, 1964, 2455, 4910, 9820, 14239, 28478, 56956, 71195, 142390, 284780]

約数ペア:

[(1, 284780), (2, 142390), (4, 71195), (5, 56956), (10, 28478), (20, 14239), (29, 9820), (58, 4910), (116, 2455), (145, 1964), (290, 982), (491, 580)]