558468140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{1483}}^1$

素因数の和:2502

約数の個数: 48

約数和(自身を含む): 1236587520

約数和(自身を除く): 678119380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 991, 1483, 1982, 2966, 3964, 4955, 5932, 7415, 9910, 14830, 18829, 19820, 28177, 29660, 37658, 56354, 75316, 94145, 112708, 140885, 188290, 281770, 376580, 563540, 1469653, 2939306, 5878612, 7348265, 14696530, 27923407, 29393060, 55846814, 111693628, 139617035, 279234070, 558468140]

約数ペア:

[(1, 558468140), (2, 279234070), (4, 139617035), (5, 111693628), (10, 55846814), (19, 29393060), (20, 27923407), (38, 14696530), (76, 7348265), (95, 5878612), (190, 2939306), (380, 1469653), (991, 563540), (1483, 376580), (1982, 281770), (2966, 188290), (3964, 140885), (4955, 112708), (5932, 94145), (7415, 75316), (9910, 56354), (14830, 37658), (18829, 29660), (19820, 28177)]