286280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 683640

約数和(自身を除く): 397360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 421, 680, 842, 1684, 2105, 3368, 4210, 7157, 8420, 14314, 16840, 28628, 35785, 57256, 71570, 143140, 286280]

約数ペア:

[(1, 286280), (2, 143140), (4, 71570), (5, 57256), (8, 35785), (10, 28628), (17, 16840), (20, 14314), (34, 8420), (40, 7157), (68, 4210), (85, 3368), (136, 2105), (170, 1684), (340, 842), (421, 680)]