211370440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{278119}}^1$

素因数の和:278149

約数の個数: 32

約数和(自身を含む): 500616000

約数和(自身を除く): 289245560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 278119, 556238, 1112476, 1390595, 2224952, 2781190, 5284261, 5562380, 10568522, 11124760, 21137044, 26421305, 42274088, 52842610, 105685220, 211370440]

約数ペア:

[(1, 211370440), (2, 105685220), (4, 52842610), (5, 42274088), (8, 26421305), (10, 21137044), (19, 11124760), (20, 10568522), (38, 5562380), (40, 5284261), (76, 2781190), (95, 2224952), (152, 1390595), (190, 1112476), (380, 556238), (760, 278119)]