520172270

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{19801}}^1$

素因数の和:19916

約数の個数: 32

約数和(自身を含む): 975208896

約数和(自身を除く): 455036626

約数列:

[1, 2, 5, 10, 37, 71, 74, 142, 185, 355, 370, 710, 2627, 5254, 13135, 19801, 26270, 39602, 99005, 198010, 732637, 1405871, 1465274, 2811742, 3663185, 7029355, 7326370, 14058710, 52017227, 104034454, 260086135, 520172270]

約数ペア:

[(1, 520172270), (2, 260086135), (5, 104034454), (10, 52017227), (37, 14058710), (71, 7326370), (74, 7029355), (142, 3663185), (185, 2811742), (355, 1465274), (370, 1405871), (710, 732637), (2627, 198010), (5254, 99005), (13135, 39602), (19801, 26270)]