678747080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{140237}}^1$

素因数の和:140270

約数の個数: 48

約数和(自身を含む): 1678648860

約数和(自身を除く): 999901780

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 140237, 280474, 560948, 701185, 1121896, 1402370, 1542607, 2804740, 3085214, 5609480, 6170428, 7713035, 12340856, 15426070, 16968677, 30852140, 33937354, 61704280, 67874708, 84843385, 135749416, 169686770, 339373540, 678747080]

約数ペア:

[(1, 678747080), (2, 339373540), (4, 169686770), (5, 135749416), (8, 84843385), (10, 67874708), (11, 61704280), (20, 33937354), (22, 30852140), (40, 16968677), (44, 15426070), (55, 12340856), (88, 7713035), (110, 6170428), (121, 5609480), (220, 3085214), (242, 2804740), (440, 1542607), (484, 1402370), (605, 1121896), (968, 701185), (1210, 560948), (2420, 280474), (4840, 140237)]