68710180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{44617}}^1$

素因数の和:44644

約数の個数: 48

約数和(自身を含む): 179899776

約数和(自身を除く): 111189596

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 44617, 89234, 178468, 223085, 312319, 446170, 490787, 624638, 892340, 981574, 1249276, 1561595, 1963148, 2453935, 3123190, 3435509, 4907870, 6246380, 6871018, 9815740, 13742036, 17177545, 34355090, 68710180]

約数ペア:

[(1, 68710180), (2, 34355090), (4, 17177545), (5, 13742036), (7, 9815740), (10, 6871018), (11, 6246380), (14, 4907870), (20, 3435509), (22, 3123190), (28, 2453935), (35, 1963148), (44, 1561595), (55, 1249276), (70, 981574), (77, 892340), (110, 624638), (140, 490787), (154, 446170), (220, 312319), (308, 223085), (385, 178468), (770, 89234), (1540, 44617)]