2188540

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1499}}^1$

素因数の和:1581

約数の個数: 24

約数和(自身を含む): 4662000

約数和(自身を除く): 2473460

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 1499, 2998, 5996, 7495, 14990, 29980, 109427, 218854, 437708, 547135, 1094270, 2188540]

約数ペア:

[(1, 2188540), (2, 1094270), (4, 547135), (5, 437708), (10, 218854), (20, 109427), (73, 29980), (146, 14990), (292, 7495), (365, 5996), (730, 2998), (1460, 1499)]