1005891080

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1\times {\mathrm{1051}}^1$

素因数の和:1470

約数の個数: 64

約数和(自身を含む): 2304132480

約数和(自身を除く): 1298241400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 337, 355, 568, 674, 710, 1051, 1348, 1420, 1685, 2102, 2696, 2840, 3370, 4204, 5255, 6740, 8408, 10510, 13480, 21020, 23927, 42040, 47854, 74621, 95708, 119635, 149242, 191416, 239270, 298484, 354187, 373105, 478540, 596968, 708374, 746210, 957080, 1416748, 1492420, 1770935, 2833496, 2984840, 3541870, 7083740, 14167480, 25147277, 50294554, 100589108, 125736385, 201178216, 251472770, 502945540, 1005891080]

約数ペア:

[(1, 1005891080), (2, 502945540), (4, 251472770), (5, 201178216), (8, 125736385), (10, 100589108), (20, 50294554), (40, 25147277), (71, 14167480), (142, 7083740), (284, 3541870), (337, 2984840), (355, 2833496), (568, 1770935), (674, 1492420), (710, 1416748), (1051, 957080), (1348, 746210), (1420, 708374), (1685, 596968), (2102, 478540), (2696, 373105), (2840, 354187), (3370, 298484), (4204, 239270), (5255, 191416), (6740, 149242), (8408, 119635), (10510, 95708), (13480, 74621), (21020, 47854), (23927, 42040)]