251508980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{4787}}^1$

素因数の和:4904

約数の個数: 48

約数和(自身を含む): 550198656

約数和(自身を除く): 298689676

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 355, 370, 710, 740, 1420, 2627, 4787, 5254, 9574, 10508, 13135, 19148, 23935, 26270, 47870, 52540, 95740, 177119, 339877, 354238, 679754, 708476, 885595, 1359508, 1699385, 1771190, 3398770, 3542380, 6797540, 12575449, 25150898, 50301796, 62877245, 125754490, 251508980]

約数ペア:

[(1, 251508980), (2, 125754490), (4, 62877245), (5, 50301796), (10, 25150898), (20, 12575449), (37, 6797540), (71, 3542380), (74, 3398770), (142, 1771190), (148, 1699385), (185, 1359508), (284, 885595), (355, 708476), (370, 679754), (710, 354238), (740, 339877), (1420, 177119), (2627, 95740), (4787, 52540), (5254, 47870), (9574, 26270), (10508, 23935), (13135, 19148)]