858705820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{68917}}^1$

素因数の和:69022

約数の個数: 48

約数和(自身を含む): 2084080320

約数和(自身を除く): 1225374500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 12460, 68917, 137834, 275668, 344585, 482419, 689170, 964838, 1378340, 1929676, 2412095, 4824190, 6133613, 9648380, 12267226, 24534452, 30668065, 42935291, 61336130, 85870582, 122672260, 171741164, 214676455, 429352910, 858705820]

約数ペア:

[(1, 858705820), (2, 429352910), (4, 214676455), (5, 171741164), (7, 122672260), (10, 85870582), (14, 61336130), (20, 42935291), (28, 30668065), (35, 24534452), (70, 12267226), (89, 9648380), (140, 6133613), (178, 4824190), (356, 2412095), (445, 1929676), (623, 1378340), (890, 964838), (1246, 689170), (1780, 482419), (2492, 344585), (3115, 275668), (6230, 137834), (12460, 68917)]