247819540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{728881}}^1$

素因数の和:728907

約数の個数: 24

約数和(自身を含む): 551034792

約数和(自身を除く): 303215252

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 728881, 1457762, 2915524, 3644405, 7288810, 12390977, 14577620, 24781954, 49563908, 61954885, 123909770, 247819540]

約数ペア:

[(1, 247819540), (2, 123909770), (4, 61954885), (5, 49563908), (10, 24781954), (17, 14577620), (20, 12390977), (34, 7288810), (68, 3644405), (85, 2915524), (170, 1457762), (340, 728881)]