8438340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{140639}}^1$

素因数の和:140651

約数の個数: 24

約数和(自身を含む): 23627520

約数和(自身を除く): 15189180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 140639, 281278, 421917, 562556, 703195, 843834, 1406390, 1687668, 2109585, 2812780, 4219170, 8438340]

約数ペア:

[(1, 8438340), (2, 4219170), (3, 2812780), (4, 2109585), (5, 1687668), (6, 1406390), (10, 843834), (12, 703195), (15, 562556), (20, 421917), (30, 281278), (60, 140639)]