68938660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10477}}^1$

素因数の和:10540

約数の個数: 48

約数和(自身を含む): 168989184

約数和(自身を除く): 100050524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 10477, 20954, 41908, 52385, 73339, 104770, 146678, 209540, 293356, 366695, 492419, 733390, 984838, 1466780, 1969676, 2462095, 3446933, 4924190, 6893866, 9848380, 13787732, 17234665, 34469330, 68938660]

約数ペア:

[(1, 68938660), (2, 34469330), (4, 17234665), (5, 13787732), (7, 9848380), (10, 6893866), (14, 4924190), (20, 3446933), (28, 2462095), (35, 1969676), (47, 1466780), (70, 984838), (94, 733390), (140, 492419), (188, 366695), (235, 293356), (329, 209540), (470, 146678), (658, 104770), (940, 73339), (1316, 52385), (1645, 41908), (3290, 20954), (6580, 10477)]