239695280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{272381}}^1$

素因数の和:272405

約数の個数: 40

約数和(自身を含む): 607956624

約数和(自身を除く): 368261344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 272381, 544762, 1089524, 1361905, 2179048, 2723810, 2996191, 4358096, 5447620, 5992382, 10895240, 11984764, 14980955, 21790480, 23969528, 29961910, 47939056, 59923820, 119847640, 239695280]

約数ペア:

[(1, 239695280), (2, 119847640), (4, 59923820), (5, 47939056), (8, 29961910), (10, 23969528), (11, 21790480), (16, 14980955), (20, 11984764), (22, 10895240), (40, 5992382), (44, 5447620), (55, 4358096), (80, 2996191), (88, 2723810), (110, 2179048), (176, 1361905), (220, 1089524), (440, 544762), (880, 272381)]