11798780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1187}}^1$

素因数の和:1274

約数の個数: 48

約数和(自身を含む): 28740096

約数和(自身を除く): 16941316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1187, 1420, 1988, 2374, 2485, 4748, 4970, 5935, 8309, 9940, 11870, 16618, 23740, 33236, 41545, 83090, 84277, 166180, 168554, 337108, 421385, 589939, 842770, 1179878, 1685540, 2359756, 2949695, 5899390, 11798780]

約数ペア:

[(1, 11798780), (2, 5899390), (4, 2949695), (5, 2359756), (7, 1685540), (10, 1179878), (14, 842770), (20, 589939), (28, 421385), (35, 337108), (70, 168554), (71, 166180), (140, 84277), (142, 83090), (284, 41545), (355, 33236), (497, 23740), (710, 16618), (994, 11870), (1187, 9940), (1420, 8309), (1988, 5935), (2374, 4970), (2485, 4748)]