2186180

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{389}}^1$

素因数の和:679

約数の個数: 24

約数和(自身を含む): 4619160

約数和(自身を除く): 2432980

約数列:

[1, 2, 4, 5, 10, 20, 281, 389, 562, 778, 1124, 1405, 1556, 1945, 2810, 3890, 5620, 7780, 109309, 218618, 437236, 546545, 1093090, 2186180]

約数ペア:

[(1, 2186180), (2, 1093090), (4, 546545), (5, 437236), (10, 218618), (20, 109309), (281, 7780), (389, 5620), (562, 3890), (778, 2810), (1124, 1945), (1405, 1556)]