87207820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{15193}}^1$

素因数の和:15250

約数の個数: 48

約数和(自身を含む): 214417728

約数和(自身を除く): 127209908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 15193, 30386, 60772, 75965, 106351, 151930, 212702, 303860, 425404, 531755, 622913, 1063510, 1245826, 2127020, 2491652, 3114565, 4360391, 6229130, 8720782, 12458260, 17441564, 21801955, 43603910, 87207820]

約数ペア:

[(1, 87207820), (2, 43603910), (4, 21801955), (5, 17441564), (7, 12458260), (10, 8720782), (14, 6229130), (20, 4360391), (28, 3114565), (35, 2491652), (41, 2127020), (70, 1245826), (82, 1063510), (140, 622913), (164, 531755), (205, 425404), (287, 303860), (410, 212702), (574, 151930), (820, 106351), (1148, 75965), (1435, 60772), (2870, 30386), (5740, 15193)]