78500200

素因数分解:

$2^3\times 5^2\times {\mathrm{389}}^1\times {\mathrm{1009}}^1$

素因数の和:1414

約数の個数: 48

約数和(自身を含む): 183163500

約数和(自身を除く): 104663300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 389, 778, 1009, 1556, 1945, 2018, 3112, 3890, 4036, 5045, 7780, 8072, 9725, 10090, 15560, 19450, 20180, 25225, 38900, 40360, 50450, 77800, 100900, 201800, 392501, 785002, 1570004, 1962505, 3140008, 3925010, 7850020, 9812525, 15700040, 19625050, 39250100, 78500200]

約数ペア:

[(1, 78500200), (2, 39250100), (4, 19625050), (5, 15700040), (8, 9812525), (10, 7850020), (20, 3925010), (25, 3140008), (40, 1962505), (50, 1570004), (100, 785002), (200, 392501), (389, 201800), (778, 100900), (1009, 77800), (1556, 50450), (1945, 40360), (2018, 38900), (3112, 25225), (3890, 20180), (4036, 19450), (5045, 15560), (7780, 10090), (8072, 9725)]