12784340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1979}}^1$

素因数の和:2024

約数の個数: 48

約数和(自身を含む): 29937600

約数和(自身を除く): 17153260

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 1979, 3230, 3958, 6460, 7916, 9895, 19790, 33643, 37601, 39580, 67286, 75202, 134572, 150404, 168215, 188005, 336430, 376010, 639217, 672860, 752020, 1278434, 2556868, 3196085, 6392170, 12784340]

約数ペア:

[(1, 12784340), (2, 6392170), (4, 3196085), (5, 2556868), (10, 1278434), (17, 752020), (19, 672860), (20, 639217), (34, 376010), (38, 336430), (68, 188005), (76, 168215), (85, 150404), (95, 134572), (170, 75202), (190, 67286), (323, 39580), (340, 37601), (380, 33643), (646, 19790), (1292, 9895), (1615, 7916), (1979, 6460), (3230, 3958)]