27720355900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{757}}^1\times {\mathrm{19273}}^1$

素因数の和:20063

約数の個数: 72

約数和(自身を含む): 63406063280

約数和(自身を除く): 35685707380

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 757, 950, 1514, 1900, 3028, 3785, 7570, 14383, 15140, 18925, 19273, 28766, 37850, 38546, 57532, 71915, 75700, 77092, 96365, 143830, 192730, 287660, 359575, 366187, 385460, 481825, 719150, 732374, 963650, 1438300, 1464748, 1830935, 1927300, 3661870, 7323740, 9154675, 14589661, 18309350, 29179322, 36618700, 58358644, 72948305, 145896610, 277203559, 291793220, 364741525, 554407118, 729483050, 1108814236, 1386017795, 1458966100, 2772035590, 5544071180, 6930088975, 13860177950, 27720355900]

約数ペア:

[(1, 27720355900), (2, 13860177950), (4, 6930088975), (5, 5544071180), (10, 2772035590), (19, 1458966100), (20, 1386017795), (25, 1108814236), (38, 729483050), (50, 554407118), (76, 364741525), (95, 291793220), (100, 277203559), (190, 145896610), (380, 72948305), (475, 58358644), (757, 36618700), (950, 29179322), (1514, 18309350), (1900, 14589661), (3028, 9154675), (3785, 7323740), (7570, 3661870), (14383, 1927300), (15140, 1830935), (18925, 1464748), (19273, 1438300), (28766, 963650), (37850, 732374), (38546, 719150), (57532, 481825), (71915, 385460), (75700, 366187), (77092, 359575), (96365, 287660), (143830, 192730)]