858102340

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{273281}}^1$

素因数の和:273447

約数の個数: 24

約数和(自身を含む): 1813499352

約数和(自身を除く): 955397012

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 273281, 546562, 1093124, 1366405, 2732810, 5465620, 42905117, 85810234, 171620468, 214525585, 429051170, 858102340]

約数ペア:

[(1, 858102340), (2, 429051170), (4, 214525585), (5, 171620468), (10, 85810234), (20, 42905117), (157, 5465620), (314, 2732810), (628, 1366405), (785, 1093124), (1570, 546562), (3140, 273281)]