74235790

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{349}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 136080000

約数和(自身を除く): 61844210

約数列:

[1, 2, 5, 10, 89, 178, 239, 349, 445, 478, 698, 890, 1195, 1745, 2390, 3490, 21271, 31061, 42542, 62122, 83411, 106355, 155305, 166822, 212710, 310610, 417055, 834110, 7423579, 14847158, 37117895, 74235790]

約数ペア:

[(1, 74235790), (2, 37117895), (5, 14847158), (10, 7423579), (89, 834110), (178, 417055), (239, 310610), (349, 212710), (445, 166822), (478, 155305), (698, 106355), (890, 83411), (1195, 62122), (1745, 42542), (2390, 31061), (3490, 21271)]