2019486490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{4121401}}^1$

素因数の和:4121422

約数の個数: 24

約数和(自身を含む): 4228558452

約数和(自身を除く): 2209071962

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 4121401, 8242802, 20607005, 28849807, 41214010, 57699614, 144249035, 201948649, 288498070, 403897298, 1009743245, 2019486490]

約数ペア:

[(1, 2019486490), (2, 1009743245), (5, 403897298), (7, 288498070), (10, 201948649), (14, 144249035), (35, 57699614), (49, 41214010), (70, 28849807), (98, 20607005), (245, 8242802), (490, 4121401)]