2080298420

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1\times {\mathrm{1559}}^1$

素因数の和:2192

約数の個数: 48

約数和(自身を含む): 4412378880

約数和(自身を除く): 2332080460

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 487, 548, 685, 974, 1370, 1559, 1948, 2435, 2740, 3118, 4870, 6236, 7795, 9740, 15590, 31180, 66719, 133438, 213583, 266876, 333595, 427166, 667190, 759233, 854332, 1067915, 1334380, 1518466, 2135830, 3036932, 3796165, 4271660, 7592330, 15184660, 104014921, 208029842, 416059684, 520074605, 1040149210, 2080298420]

約数ペア:

[(1, 2080298420), (2, 1040149210), (4, 520074605), (5, 416059684), (10, 208029842), (20, 104014921), (137, 15184660), (274, 7592330), (487, 4271660), (548, 3796165), (685, 3036932), (974, 2135830), (1370, 1518466), (1559, 1334380), (1948, 1067915), (2435, 854332), (2740, 759233), (3118, 667190), (4870, 427166), (6236, 333595), (7795, 266876), (9740, 213583), (15590, 133438), (31180, 66719)]