78140350

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{991}}^1$

素因数の和:1105

約数の個数: 48

約数和(自身を含む): 154990080

約数和(自身を除く): 76849730

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 83, 95, 166, 190, 415, 475, 830, 950, 991, 1577, 1982, 2075, 3154, 4150, 4955, 7885, 9910, 15770, 18829, 24775, 37658, 39425, 49550, 78850, 82253, 94145, 164506, 188290, 411265, 470725, 822530, 941450, 1562807, 2056325, 3125614, 4112650, 7814035, 15628070, 39070175, 78140350]

約数ペア:

[(1, 78140350), (2, 39070175), (5, 15628070), (10, 7814035), (19, 4112650), (25, 3125614), (38, 2056325), (50, 1562807), (83, 941450), (95, 822530), (166, 470725), (190, 411265), (415, 188290), (475, 164506), (830, 94145), (950, 82253), (991, 78850), (1577, 49550), (1982, 39425), (2075, 37658), (3154, 24775), (4150, 18829), (4955, 15770), (7885, 9910)]