49990900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:433

約数の個数: 72

約数和(自身を含む): 115930080

約数和(自身を除く): 65939180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 83, 95, 100, 166, 190, 317, 332, 380, 415, 475, 634, 830, 950, 1268, 1577, 1585, 1660, 1900, 2075, 3154, 3170, 4150, 6023, 6308, 6340, 7885, 7925, 8300, 12046, 15770, 15850, 24092, 26311, 30115, 31540, 31700, 39425, 52622, 60230, 78850, 105244, 120460, 131555, 150575, 157700, 263110, 301150, 499909, 526220, 602300, 657775, 999818, 1315550, 1999636, 2499545, 2631100, 4999090, 9998180, 12497725, 24995450, 49990900]

約数ペア:

[(1, 49990900), (2, 24995450), (4, 12497725), (5, 9998180), (10, 4999090), (19, 2631100), (20, 2499545), (25, 1999636), (38, 1315550), (50, 999818), (76, 657775), (83, 602300), (95, 526220), (100, 499909), (166, 301150), (190, 263110), (317, 157700), (332, 150575), (380, 131555), (415, 120460), (475, 105244), (634, 78850), (830, 60230), (950, 52622), (1268, 39425), (1577, 31700), (1585, 31540), (1660, 30115), (1900, 26311), (2075, 24092), (3154, 15850), (3170, 15770), (4150, 12046), (6023, 8300), (6308, 7925), (6340, 7885)]