309530210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{17923}}^1$

素因数の和:18098

約数の個数: 32

約数和(自身を含む): 611710272

約数和(自身を除く): 302180062

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 157, 314, 785, 1570, 1727, 3454, 8635, 17270, 17923, 35846, 89615, 179230, 197153, 394306, 985765, 1971530, 2813911, 5627822, 14069555, 28139110, 30953021, 61906042, 154765105, 309530210]

約数ペア:

[(1, 309530210), (2, 154765105), (5, 61906042), (10, 30953021), (11, 28139110), (22, 14069555), (55, 5627822), (110, 2813911), (157, 1971530), (314, 985765), (785, 394306), (1570, 197153), (1727, 179230), (3454, 89615), (8635, 35846), (17270, 17923)]