2725690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 5443200

約数和(自身を除く): 2717510

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 349, 355, 698, 710, 781, 1562, 1745, 3490, 3839, 3905, 7678, 7810, 19195, 24779, 38390, 49558, 123895, 247790, 272569, 545138, 1362845, 2725690]

約数ペア:

[(1, 2725690), (2, 1362845), (5, 545138), (10, 272569), (11, 247790), (22, 123895), (55, 49558), (71, 38390), (110, 24779), (142, 19195), (349, 7810), (355, 7678), (698, 3905), (710, 3839), (781, 3490), (1562, 1745)]