2188015280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2486381}}^1$

素因数の和:2486405

約数の個数: 40

約数和(自身を含む): 5549604624

約数和(自身を除く): 3361589344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2486381, 4972762, 9945524, 12431905, 19891048, 24863810, 27350191, 39782096, 49727620, 54700382, 99455240, 109400764, 136750955, 198910480, 218801528, 273501910, 437603056, 547003820, 1094007640, 2188015280]

約数ペア:

[(1, 2188015280), (2, 1094007640), (4, 547003820), (5, 437603056), (8, 273501910), (10, 218801528), (11, 198910480), (16, 136750955), (20, 109400764), (22, 99455240), (40, 54700382), (44, 49727620), (55, 39782096), (80, 27350191), (88, 24863810), (110, 19891048), (176, 12431905), (220, 9945524), (440, 4972762), (880, 2486381)]