2858660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2917}}^1$

素因数の和:2940

約数の個数: 36

約数和(自身を含む): 6985692

約数和(自身を除く): 4127032

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2917, 5834, 11668, 14585, 20419, 29170, 40838, 58340, 81676, 102095, 142933, 204190, 285866, 408380, 571732, 714665, 1429330, 2858660]

約数ペア:

[(1, 2858660), (2, 1429330), (4, 714665), (5, 571732), (7, 408380), (10, 285866), (14, 204190), (20, 142933), (28, 102095), (35, 81676), (49, 58340), (70, 40838), (98, 29170), (140, 20419), (196, 14585), (245, 11668), (490, 5834), (980, 2917)]