123807728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:366

約数の個数: 80

約数和(自身を含む): 274268160

約数和(自身を除く): 150460432

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 127, 176, 191, 232, 254, 319, 382, 464, 508, 638, 764, 1016, 1276, 1397, 1528, 2032, 2101, 2552, 2794, 3056, 3683, 4202, 5104, 5539, 5588, 7366, 8404, 11078, 11176, 14732, 16808, 22156, 22352, 24257, 29464, 33616, 40513, 44312, 48514, 58928, 60929, 81026, 88624, 97028, 121858, 162052, 194056, 243716, 266827, 324104, 388112, 487432, 533654, 648208, 703453, 974864, 1067308, 1406906, 2134616, 2813812, 4269232, 5627624, 7737983, 11255248, 15475966, 30951932, 61903864, 123807728]

約数ペア:

[(1, 123807728), (2, 61903864), (4, 30951932), (8, 15475966), (11, 11255248), (16, 7737983), (22, 5627624), (29, 4269232), (44, 2813812), (58, 2134616), (88, 1406906), (116, 1067308), (127, 974864), (176, 703453), (191, 648208), (232, 533654), (254, 487432), (319, 388112), (382, 324104), (464, 266827), (508, 243716), (638, 194056), (764, 162052), (1016, 121858), (1276, 97028), (1397, 88624), (1528, 81026), (2032, 60929), (2101, 58928), (2552, 48514), (2794, 44312), (3056, 40513), (3683, 33616), (4202, 29464), (5104, 24257), (5539, 22352), (5588, 22156), (7366, 16808), (8404, 14732), (11078, 11176)]