8987900

素因数分解:

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

素因数の和:359

約数の個数: 54

約数和(自身を含む): 20785128

約数和(自身を除く): 11797228

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 289, 311, 340, 425, 578, 622, 850, 1156, 1244, 1445, 1555, 1700, 2890, 3110, 5287, 5780, 6220, 7225, 7775, 10574, 14450, 15550, 21148, 26435, 28900, 31100, 52870, 89879, 105740, 132175, 179758, 264350, 359516, 449395, 528700, 898790, 1797580, 2246975, 4493950, 8987900]

約数ペア:

[(1, 8987900), (2, 4493950), (4, 2246975), (5, 1797580), (10, 898790), (17, 528700), (20, 449395), (25, 359516), (34, 264350), (50, 179758), (68, 132175), (85, 105740), (100, 89879), (170, 52870), (289, 31100), (311, 28900), (340, 26435), (425, 21148), (578, 15550), (622, 14450), (850, 10574), (1156, 7775), (1244, 7225), (1445, 6220), (1555, 5780), (1700, 5287), (2890, 3110)]