1692220

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{401}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 3579408

約数和(自身を除く): 1887188

約数列:

[1, 2, 4, 5, 10, 20, 211, 401, 422, 802, 844, 1055, 1604, 2005, 2110, 4010, 4220, 8020, 84611, 169222, 338444, 423055, 846110, 1692220]

約数ペア:

[(1, 1692220), (2, 846110), (4, 423055), (5, 338444), (10, 169222), (20, 84611), (211, 8020), (401, 4220), (422, 4010), (802, 2110), (844, 2005), (1055, 1604)]