8689660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{8867}}^1$

素因数の和:8890

約数の個数: 36

約数和(自身を含む): 21229992

約数和(自身を除く): 12540332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 8867, 17734, 35468, 44335, 62069, 88670, 124138, 177340, 248276, 310345, 434483, 620690, 868966, 1241380, 1737932, 2172415, 4344830, 8689660]

約数ペア:

[(1, 8689660), (2, 4344830), (4, 2172415), (5, 1737932), (7, 1241380), (10, 868966), (14, 620690), (20, 434483), (28, 310345), (35, 248276), (49, 177340), (70, 124138), (98, 88670), (140, 62069), (196, 44335), (245, 35468), (490, 17734), (980, 8867)]