2211490

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 32

約数和(自身を含む): 4213440

約数和(自身を除く): 2001950

約数列:

[1, 2, 5, 10, 37, 43, 74, 86, 139, 185, 215, 278, 370, 430, 695, 1390, 1591, 3182, 5143, 5977, 7955, 10286, 11954, 15910, 25715, 29885, 51430, 59770, 221149, 442298, 1105745, 2211490]

約数ペア:

[(1, 2211490), (2, 1105745), (5, 442298), (10, 221149), (37, 59770), (43, 51430), (74, 29885), (86, 25715), (139, 15910), (185, 11954), (215, 10286), (278, 7955), (370, 5977), (430, 5143), (695, 3182), (1390, 1591)]