256856970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{1447}}^1$

素因数の和:1615

約数の個数: 64

約数和(自身を含む): 633459456

約数和(自身を除く): 376602486

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 97, 122, 183, 194, 291, 305, 366, 485, 582, 610, 915, 970, 1447, 1455, 1830, 2894, 2910, 4341, 5917, 7235, 8682, 11834, 14470, 17751, 21705, 29585, 35502, 43410, 59170, 88267, 88755, 140359, 176534, 177510, 264801, 280718, 421077, 441335, 529602, 701795, 842154, 882670, 1324005, 1403590, 2105385, 2648010, 4210770, 8561899, 17123798, 25685697, 42809495, 51371394, 85618990, 128428485, 256856970]

約数ペア:

[(1, 256856970), (2, 128428485), (3, 85618990), (5, 51371394), (6, 42809495), (10, 25685697), (15, 17123798), (30, 8561899), (61, 4210770), (97, 2648010), (122, 2105385), (183, 1403590), (194, 1324005), (291, 882670), (305, 842154), (366, 701795), (485, 529602), (582, 441335), (610, 421077), (915, 280718), (970, 264801), (1447, 177510), (1455, 176534), (1830, 140359), (2894, 88755), (2910, 88267), (4341, 59170), (5917, 43410), (7235, 35502), (8682, 29585), (11834, 21705), (14470, 17751)]