8542660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 21833280

約数和(自身を除く): 13290620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 379, 460, 490, 644, 758, 805, 980, 1127, 1516, 1610, 1895, 2254, 2653, 3220, 3790, 4508, 5306, 5635, 7580, 8717, 10612, 11270, 13265, 17434, 18571, 22540, 26530, 34868, 37142, 43585, 53060, 61019, 74284, 87170, 92855, 122038, 174340, 185710, 244076, 305095, 371420, 427133, 610190, 854266, 1220380, 1708532, 2135665, 4271330, 8542660]

約数ペア:

[(1, 8542660), (2, 4271330), (4, 2135665), (5, 1708532), (7, 1220380), (10, 854266), (14, 610190), (20, 427133), (23, 371420), (28, 305095), (35, 244076), (46, 185710), (49, 174340), (70, 122038), (92, 92855), (98, 87170), (115, 74284), (140, 61019), (161, 53060), (196, 43585), (230, 37142), (245, 34868), (322, 26530), (379, 22540), (460, 18571), (490, 17434), (644, 13265), (758, 11270), (805, 10612), (980, 8717), (1127, 7580), (1516, 5635), (1610, 5306), (1895, 4508), (2254, 3790), (2653, 3220)]