22644740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 49641984

約数和(自身を除く): 26997244

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 355, 370, 431, 710, 740, 862, 1420, 1724, 2155, 2627, 4310, 5254, 8620, 10508, 13135, 15947, 26270, 30601, 31894, 52540, 61202, 63788, 79735, 122404, 153005, 159470, 306010, 318940, 612020, 1132237, 2264474, 4528948, 5661185, 11322370, 22644740]

約数ペア:

[(1, 22644740), (2, 11322370), (4, 5661185), (5, 4528948), (10, 2264474), (20, 1132237), (37, 612020), (71, 318940), (74, 306010), (142, 159470), (148, 153005), (185, 122404), (284, 79735), (355, 63788), (370, 61202), (431, 52540), (710, 31894), (740, 30601), (862, 26270), (1420, 15947), (1724, 13135), (2155, 10508), (2627, 8620), (4310, 5254)]