179988820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{9857}}^1$

素因数の和:9960

約数の個数: 48

約数和(自身を含む): 417348288

約数和(自身を除く): 237359468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 415, 830, 913, 1660, 1826, 3652, 4565, 9130, 9857, 18260, 19714, 39428, 49285, 98570, 108427, 197140, 216854, 433708, 542135, 818131, 1084270, 1636262, 2168540, 3272524, 4090655, 8181310, 8999441, 16362620, 17998882, 35997764, 44997205, 89994410, 179988820]

約数ペア:

[(1, 179988820), (2, 89994410), (4, 44997205), (5, 35997764), (10, 17998882), (11, 16362620), (20, 8999441), (22, 8181310), (44, 4090655), (55, 3272524), (83, 2168540), (110, 1636262), (166, 1084270), (220, 818131), (332, 542135), (415, 433708), (830, 216854), (913, 197140), (1660, 108427), (1826, 98570), (3652, 49285), (4565, 39428), (9130, 19714), (9857, 18260)]