426444220

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{1973}}^1$

素因数の和:2190

約数の個数: 48

約数和(自身を含む): 913314528

約数和(自身を除く): 486870308

約数列:

[1, 2, 4, 5, 10, 20, 101, 107, 202, 214, 404, 428, 505, 535, 1010, 1070, 1973, 2020, 2140, 3946, 7892, 9865, 10807, 19730, 21614, 39460, 43228, 54035, 108070, 199273, 211111, 216140, 398546, 422222, 797092, 844444, 996365, 1055555, 1992730, 2111110, 3985460, 4222220, 21322211, 42644422, 85288844, 106611055, 213222110, 426444220]

約数ペア:

[(1, 426444220), (2, 213222110), (4, 106611055), (5, 85288844), (10, 42644422), (20, 21322211), (101, 4222220), (107, 3985460), (202, 2111110), (214, 1992730), (404, 1055555), (428, 996365), (505, 844444), (535, 797092), (1010, 422222), (1070, 398546), (1973, 216140), (2020, 211111), (2140, 199273), (3946, 108070), (7892, 54035), (9865, 43228), (10807, 39460), (19730, 21614)]