208312900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{677}}^1$

素因数の和:889

約数の個数: 72

約数和(自身を含む): 481984776

約数和(自身を除く): 273671876

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 181, 340, 362, 425, 677, 724, 850, 905, 1354, 1700, 1810, 2708, 3077, 3385, 3620, 4525, 6154, 6770, 9050, 11509, 12308, 13540, 15385, 16925, 18100, 23018, 30770, 33850, 46036, 57545, 61540, 67700, 76925, 115090, 122537, 153850, 230180, 245074, 287725, 307700, 490148, 575450, 612685, 1150900, 1225370, 2083129, 2450740, 3063425, 4166258, 6126850, 8332516, 10415645, 12253700, 20831290, 41662580, 52078225, 104156450, 208312900]

約数ペア:

[(1, 208312900), (2, 104156450), (4, 52078225), (5, 41662580), (10, 20831290), (17, 12253700), (20, 10415645), (25, 8332516), (34, 6126850), (50, 4166258), (68, 3063425), (85, 2450740), (100, 2083129), (170, 1225370), (181, 1150900), (340, 612685), (362, 575450), (425, 490148), (677, 307700), (724, 287725), (850, 245074), (905, 230180), (1354, 153850), (1700, 122537), (1810, 115090), (2708, 76925), (3077, 67700), (3385, 61540), (3620, 57545), (4525, 46036), (6154, 33850), (6770, 30770), (9050, 23018), (11509, 18100), (12308, 16925), (13540, 15385)]