12919340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13183}}^1$

素因数の和:13206

約数の個数: 36

約数和(自身を含む): 31562496

約数和(自身を除く): 18643156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 13183, 26366, 52732, 65915, 92281, 131830, 184562, 263660, 369124, 461405, 645967, 922810, 1291934, 1845620, 2583868, 3229835, 6459670, 12919340]

約数ペア:

[(1, 12919340), (2, 6459670), (4, 3229835), (5, 2583868), (7, 1845620), (10, 1291934), (14, 922810), (20, 645967), (28, 461405), (35, 369124), (49, 263660), (70, 184562), (98, 131830), (140, 92281), (196, 65915), (245, 52732), (490, 26366), (980, 13183)]