1745180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1229}}^1$

素因数の和:1309

約数の個数: 24

約数和(自身を含む): 3719520

約数和(自身を除く): 1974340

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1229, 1420, 2458, 4916, 6145, 12290, 24580, 87259, 174518, 349036, 436295, 872590, 1745180]

約数ペア:

[(1, 1745180), (2, 872590), (4, 436295), (5, 349036), (10, 174518), (20, 87259), (71, 24580), (142, 12290), (284, 6145), (355, 4916), (710, 2458), (1229, 1420)]