217070840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{1433}}^1$

素因数の和:1992

約数の個数: 64

約数和(自身を含む): 559604160

約数和(自身を除く): 342533320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 541, 1082, 1433, 2164, 2705, 2866, 3787, 4328, 5410, 5732, 7165, 7574, 10031, 10820, 11464, 14330, 15148, 18935, 20062, 21640, 28660, 30296, 37870, 40124, 50155, 57320, 75740, 80248, 100310, 151480, 200620, 401240, 775253, 1550506, 3101012, 3876265, 5426771, 6202024, 7752530, 10853542, 15505060, 21707084, 27133855, 31010120, 43414168, 54267710, 108535420, 217070840]

約数ペア:

[(1, 217070840), (2, 108535420), (4, 54267710), (5, 43414168), (7, 31010120), (8, 27133855), (10, 21707084), (14, 15505060), (20, 10853542), (28, 7752530), (35, 6202024), (40, 5426771), (56, 3876265), (70, 3101012), (140, 1550506), (280, 775253), (541, 401240), (1082, 200620), (1433, 151480), (2164, 100310), (2705, 80248), (2866, 75740), (3787, 57320), (4328, 50155), (5410, 40124), (5732, 37870), (7165, 30296), (7574, 28660), (10031, 21640), (10820, 20062), (11464, 18935), (14330, 15148)]