86158660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{87917}}^1$

素因数の和:87940

約数の個数: 36

約数和(自身を含む): 210475692

約数和(自身を除く): 124317032

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 87917, 175834, 351668, 439585, 615419, 879170, 1230838, 1758340, 2461676, 3077095, 4307933, 6154190, 8615866, 12308380, 17231732, 21539665, 43079330, 86158660]

約数ペア:

[(1, 86158660), (2, 43079330), (4, 21539665), (5, 17231732), (7, 12308380), (10, 8615866), (14, 6154190), (20, 4307933), (28, 3077095), (35, 2461676), (49, 1758340), (70, 1230838), (98, 879170), (140, 615419), (196, 439585), (245, 351668), (490, 175834), (980, 87917)]