256203910

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1\times {\mathrm{937}}^1$

素因数の和:1720

約数の個数: 32

約数和(自身を含む): 474778080

約数和(自身を除く): 218574170

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 739, 937, 1478, 1874, 3695, 4685, 7390, 9370, 27343, 34669, 54686, 69338, 136715, 173345, 273430, 346690, 692443, 1384886, 3462215, 6924430, 25620391, 51240782, 128101955, 256203910]

約数ペア:

[(1, 256203910), (2, 128101955), (5, 51240782), (10, 25620391), (37, 6924430), (74, 3462215), (185, 1384886), (370, 692443), (739, 346690), (937, 273430), (1478, 173345), (1874, 136715), (3695, 69338), (4685, 54686), (7390, 34669), (9370, 27343)]