85698020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{937}}^1$

素因数の和:1232

約数の個数: 48

約数和(自身を含む): 191464560

約数和(自身を除く): 105766540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 269, 340, 538, 937, 1076, 1345, 1874, 2690, 3748, 4573, 4685, 5380, 9146, 9370, 15929, 18292, 18740, 22865, 31858, 45730, 63716, 79645, 91460, 159290, 252053, 318580, 504106, 1008212, 1260265, 2520530, 4284901, 5041060, 8569802, 17139604, 21424505, 42849010, 85698020]

約数ペア:

[(1, 85698020), (2, 42849010), (4, 21424505), (5, 17139604), (10, 8569802), (17, 5041060), (20, 4284901), (34, 2520530), (68, 1260265), (85, 1008212), (170, 504106), (269, 318580), (340, 252053), (538, 159290), (937, 91460), (1076, 79645), (1345, 63716), (1874, 45730), (2690, 31858), (3748, 22865), (4573, 18740), (4685, 18292), (5380, 15929), (9146, 9370)]