28285450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 56407104

約数和(自身を除く): 28121654

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 107, 170, 214, 311, 425, 535, 622, 850, 1070, 1555, 1819, 2675, 3110, 3638, 5287, 5350, 7775, 9095, 10574, 15550, 18190, 26435, 33277, 45475, 52870, 66554, 90950, 132175, 166385, 264350, 332770, 565709, 831925, 1131418, 1663850, 2828545, 5657090, 14142725, 28285450]

約数ペア:

[(1, 28285450), (2, 14142725), (5, 5657090), (10, 2828545), (17, 1663850), (25, 1131418), (34, 831925), (50, 565709), (85, 332770), (107, 264350), (170, 166385), (214, 132175), (311, 90950), (425, 66554), (535, 52870), (622, 45475), (850, 33277), (1070, 26435), (1555, 18190), (1819, 15550), (2675, 10574), (3110, 9095), (3638, 7775), (5287, 5350)]