836402870

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{21031}}^1$

素因数の和:21176

約数の個数: 32

約数和(自身を含む): 1558218816

約数和(自身を除く): 721815946

約数列:

[1, 2, 5, 10, 41, 82, 97, 194, 205, 410, 485, 970, 3977, 7954, 19885, 21031, 39770, 42062, 105155, 210310, 862271, 1724542, 2040007, 4080014, 4311355, 8622710, 10200035, 20400070, 83640287, 167280574, 418201435, 836402870]

約数ペア:

[(1, 836402870), (2, 418201435), (5, 167280574), (10, 83640287), (41, 20400070), (82, 10200035), (97, 8622710), (194, 4311355), (205, 4080014), (410, 2040007), (485, 1724542), (970, 862271), (3977, 210310), (7954, 105155), (19885, 42062), (21031, 39770)]