85451380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{14887}}^1$

素因数の和:14944

約数の個数: 48

約数和(自身を含む): 210099456

約数和(自身を除く): 124648076

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, 14887, 29774, 59548, 74435, 104209, 148870, 208418, 297740, 416836, 521045, 610367, 1042090, 1220734, 2084180, 2441468, 3051835, 4272569, 6103670, 8545138, 12207340, 17090276, 21362845, 42725690, 85451380]

約数ペア:

[(1, 85451380), (2, 42725690), (4, 21362845), (5, 17090276), (7, 12207340), (10, 8545138), (14, 6103670), (20, 4272569), (28, 3051835), (35, 2441468), (41, 2084180), (70, 1220734), (82, 1042090), (140, 610367), (164, 521045), (205, 416836), (287, 297740), (410, 208418), (574, 148870), (820, 104209), (1148, 74435), (1435, 59548), (2870, 29774), (5740, 14887)]