150177980

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{17921}}^1$

素因数の和:18349

約数の個数: 24

約数和(自身を含む): 316144080

約数和(自身を除く): 165966100

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8380, 17921, 35842, 71684, 89605, 179210, 358420, 7508899, 15017798, 30035596, 37544495, 75088990, 150177980]

約数ペア:

[(1, 150177980), (2, 75088990), (4, 37544495), (5, 30035596), (10, 15017798), (20, 7508899), (419, 358420), (838, 179210), (1676, 89605), (2095, 71684), (4190, 35842), (8380, 17921)]