291552980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{205319}}^1$

素因数の和:205399

約数の個数: 24

約数和(自身を含む): 620887680

約数和(自身を除く): 329334700

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 205319, 410638, 821276, 1026595, 2053190, 4106380, 14577649, 29155298, 58310596, 72888245, 145776490, 291552980]

約数ペア:

[(1, 291552980), (2, 145776490), (4, 72888245), (5, 58310596), (10, 29155298), (20, 14577649), (71, 4106380), (142, 2053190), (284, 1026595), (355, 821276), (710, 410638), (1420, 205319)]