204416660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{11497}}^1$

素因数の和:11640

約数の個数: 48

約数和(自身を含む): 494505984

約数和(自身を除く): 290089324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 8890, 11497, 17780, 22994, 45988, 57485, 80479, 114970, 160958, 229940, 321916, 402395, 804790, 1460119, 1609580, 2920238, 5840476, 7300595, 10220833, 14601190, 20441666, 29202380, 40883332, 51104165, 102208330, 204416660]

約数ペア:

[(1, 204416660), (2, 102208330), (4, 51104165), (5, 40883332), (7, 29202380), (10, 20441666), (14, 14601190), (20, 10220833), (28, 7300595), (35, 5840476), (70, 2920238), (127, 1609580), (140, 1460119), (254, 804790), (508, 402395), (635, 321916), (889, 229940), (1270, 160958), (1778, 114970), (2540, 80479), (3556, 57485), (4445, 45988), (8890, 22994), (11497, 17780)]