2187804520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4972283}}^1$

素因数の和:4972305

約数の個数: 32

約数和(自身を含む): 5370066720

約数和(自身を除く): 3182262200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4972283, 9944566, 19889132, 24861415, 39778264, 49722830, 54695113, 99445660, 109390226, 198891320, 218780452, 273475565, 437560904, 546951130, 1093902260, 2187804520]

約数ペア:

[(1, 2187804520), (2, 1093902260), (4, 546951130), (5, 437560904), (8, 273475565), (10, 218780452), (11, 198891320), (20, 109390226), (22, 99445660), (40, 54695113), (44, 49722830), (55, 39778264), (88, 24861415), (110, 19889132), (220, 9944566), (440, 4972283)]