2765230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 5443200

約数和(自身を除く): 2677970

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 239, 445, 478, 890, 1157, 1195, 2314, 2390, 3107, 5785, 6214, 11570, 15535, 21271, 31070, 42542, 106355, 212710, 276523, 553046, 1382615, 2765230]

約数ペア:

[(1, 2765230), (2, 1382615), (5, 553046), (10, 276523), (13, 212710), (26, 106355), (65, 42542), (89, 31070), (130, 21271), (178, 15535), (239, 11570), (445, 6214), (478, 5785), (890, 3107), (1157, 2390), (1195, 2314)]