1891580

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{349}}^1$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 3998400

約数和(自身を除く): 2106820

約数列:

[1, 2, 4, 5, 10, 20, 271, 349, 542, 698, 1084, 1355, 1396, 1745, 2710, 3490, 5420, 6980, 94579, 189158, 378316, 472895, 945790, 1891580]

約数ペア:

[(1, 1891580), (2, 945790), (4, 472895), (5, 378316), (10, 189158), (20, 94579), (271, 6980), (349, 5420), (542, 3490), (698, 2710), (1084, 1745), (1355, 1396)]