1021340

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 2163840

約数和(自身を除く): 1142500

約数列:

[1, 2, 4, 5, 10, 20, 223, 229, 446, 458, 892, 916, 1115, 1145, 2230, 2290, 4460, 4580, 51067, 102134, 204268, 255335, 510670, 1021340]

約数ペア:

[(1, 1021340), (2, 510670), (4, 255335), (5, 204268), (10, 102134), (20, 51067), (223, 4580), (229, 4460), (446, 2290), (458, 2230), (892, 1145), (916, 1115)]