57139780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{683}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 124104960

約数和(自身を除く): 66965180

約数列:

[1, 2, 4, 5, 10, 20, 47, 89, 94, 178, 188, 235, 356, 445, 470, 683, 890, 940, 1366, 1780, 2732, 3415, 4183, 6830, 8366, 13660, 16732, 20915, 32101, 41830, 60787, 64202, 83660, 121574, 128404, 160505, 243148, 303935, 321010, 607870, 642020, 1215740, 2856989, 5713978, 11427956, 14284945, 28569890, 57139780]

約数ペア:

[(1, 57139780), (2, 28569890), (4, 14284945), (5, 11427956), (10, 5713978), (20, 2856989), (47, 1215740), (89, 642020), (94, 607870), (178, 321010), (188, 303935), (235, 243148), (356, 160505), (445, 128404), (470, 121574), (683, 83660), (890, 64202), (940, 60787), (1366, 41830), (1780, 32101), (2732, 20915), (3415, 16732), (4183, 13660), (6830, 8366)]