129102850

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{887}}^1$

素因数の和:1011

約数の個数: 48

約数和(自身を含む): 249734016

約数和(自身を除く): 120631166

約数列:

[1, 2, 5, 10, 25, 41, 50, 71, 82, 142, 205, 355, 410, 710, 887, 1025, 1774, 1775, 2050, 2911, 3550, 4435, 5822, 8870, 14555, 22175, 29110, 36367, 44350, 62977, 72734, 72775, 125954, 145550, 181835, 314885, 363670, 629770, 909175, 1574425, 1818350, 2582057, 3148850, 5164114, 12910285, 25820570, 64551425, 129102850]

約数ペア:

[(1, 129102850), (2, 64551425), (5, 25820570), (10, 12910285), (25, 5164114), (41, 3148850), (50, 2582057), (71, 1818350), (82, 1574425), (142, 909175), (205, 629770), (355, 363670), (410, 314885), (710, 181835), (887, 145550), (1025, 125954), (1774, 72775), (1775, 72734), (2050, 62977), (2911, 44350), (3550, 36367), (4435, 29110), (5822, 22175), (8870, 14555)]