78911420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{6791}}^1$

素因数の和:6890

約数の個数: 48

約数和(自身を含む): 191697408

約数和(自身を除く): 112785988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 2324, 2905, 5810, 6791, 11620, 13582, 27164, 33955, 47537, 67910, 95074, 135820, 190148, 237685, 475370, 563653, 950740, 1127306, 2254612, 2818265, 3945571, 5636530, 7891142, 11273060, 15782284, 19727855, 39455710, 78911420]

約数ペア:

[(1, 78911420), (2, 39455710), (4, 19727855), (5, 15782284), (7, 11273060), (10, 7891142), (14, 5636530), (20, 3945571), (28, 2818265), (35, 2254612), (70, 1127306), (83, 950740), (140, 563653), (166, 475370), (332, 237685), (415, 190148), (581, 135820), (830, 95074), (1162, 67910), (1660, 47537), (2324, 33955), (2905, 27164), (5810, 13582), (6791, 11620)]