2188700

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:566

約数の個数: 36

約数和(自身を含む): 4869480

約数和(自身を除く): 2680780

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 509, 860, 1018, 1075, 2036, 2150, 2545, 4300, 5090, 10180, 12725, 21887, 25450, 43774, 50900, 87548, 109435, 218870, 437740, 547175, 1094350, 2188700]

約数ペア:

[(1, 2188700), (2, 1094350), (4, 547175), (5, 437740), (10, 218870), (20, 109435), (25, 87548), (43, 50900), (50, 43774), (86, 25450), (100, 21887), (172, 12725), (215, 10180), (430, 5090), (509, 4300), (860, 2545), (1018, 2150), (1075, 2036)]