42788900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5557}}^1$

素因数の和:5589

約数の個数: 72

約数和(自身を含む): 115784256

約数和(自身を除く): 72995356

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 3850, 5557, 7700, 11114, 22228, 27785, 38899, 55570, 61127, 77798, 111140, 122254, 138925, 155596, 194495, 244508, 277850, 305635, 388990, 427889, 555700, 611270, 777980, 855778, 972475, 1222540, 1528175, 1711556, 1944950, 2139445, 3056350, 3889900, 4278890, 6112700, 8557780, 10697225, 21394450, 42788900]

約数ペア:

[(1, 42788900), (2, 21394450), (4, 10697225), (5, 8557780), (7, 6112700), (10, 4278890), (11, 3889900), (14, 3056350), (20, 2139445), (22, 1944950), (25, 1711556), (28, 1528175), (35, 1222540), (44, 972475), (50, 855778), (55, 777980), (70, 611270), (77, 555700), (100, 427889), (110, 388990), (140, 305635), (154, 277850), (175, 244508), (220, 194495), (275, 155596), (308, 138925), (350, 122254), (385, 111140), (550, 77798), (700, 61127), (770, 55570), (1100, 38899), (1540, 27785), (1925, 22228), (3850, 11114), (5557, 7700)]