1885280360

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{647}}^1\times {\mathrm{751}}^1$

素因数の和:1506

約数の個数: 64

約数和(自身を含む): 4297950720

約数和(自身を除く): 2412670360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 647, 751, 776, 970, 1294, 1502, 1940, 2588, 3004, 3235, 3755, 3880, 5176, 6008, 6470, 7510, 12940, 15020, 25880, 30040, 62759, 72847, 125518, 145694, 251036, 291388, 313795, 364235, 485897, 502072, 582776, 627590, 728470, 971794, 1255180, 1456940, 1943588, 2429485, 2510360, 2913880, 3887176, 4858970, 9717940, 19435880, 47132009, 94264018, 188528036, 235660045, 377056072, 471320090, 942640180, 1885280360]

約数ペア:

[(1, 1885280360), (2, 942640180), (4, 471320090), (5, 377056072), (8, 235660045), (10, 188528036), (20, 94264018), (40, 47132009), (97, 19435880), (194, 9717940), (388, 4858970), (485, 3887176), (647, 2913880), (751, 2510360), (776, 2429485), (970, 1943588), (1294, 1456940), (1502, 1255180), (1940, 971794), (2588, 728470), (3004, 627590), (3235, 582776), (3755, 502072), (3880, 485897), (5176, 364235), (6008, 313795), (6470, 291388), (7510, 251036), (12940, 145694), (15020, 125518), (25880, 72847), (30040, 62759)]