205541210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{4759}}^1$

素因数の和:5390

約数の個数: 32

約数和(自身を含む): 423601920

約数和(自身を除く): 218060710

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 617, 1234, 3085, 4319, 4759, 6170, 8638, 9518, 21595, 23795, 33313, 43190, 47590, 66626, 166565, 333130, 2936303, 5872606, 14681515, 20554121, 29363030, 41108242, 102770605, 205541210]

約数ペア:

[(1, 205541210), (2, 102770605), (5, 41108242), (7, 29363030), (10, 20554121), (14, 14681515), (35, 5872606), (70, 2936303), (617, 333130), (1234, 166565), (3085, 66626), (4319, 47590), (4759, 43190), (6170, 33313), (8638, 23795), (9518, 21595)]