266872460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{784919}}^1$

素因数の和:784945

約数の個数: 24

約数和(自身を含む): 593399520

約数和(自身を除く): 326527060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 784919, 1569838, 3139676, 3924595, 7849190, 13343623, 15698380, 26687246, 53374492, 66718115, 133436230, 266872460]

約数ペア:

[(1, 266872460), (2, 133436230), (4, 66718115), (5, 53374492), (10, 26687246), (17, 15698380), (20, 13343623), (34, 7849190), (68, 3924595), (85, 3139676), (170, 1569838), (340, 784919)]