493340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1451}}^1$

素因数の和:1477

約数の個数: 24

約数和(自身を含む): 1097712

約数和(自身を除く): 604372

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1451, 2902, 5804, 7255, 14510, 24667, 29020, 49334, 98668, 123335, 246670, 493340]

約数ペア:

[(1, 493340), (2, 246670), (4, 123335), (5, 98668), (10, 49334), (17, 29020), (20, 24667), (34, 14510), (68, 7255), (85, 5804), (170, 2902), (340, 1451)]