79471900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:463

約数の個数: 72

約数和(自身を含む): 182175840

約数和(自身を除く): 102703940

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 109, 115, 218, 230, 317, 436, 460, 545, 575, 634, 1090, 1150, 1268, 1585, 2180, 2300, 2507, 2725, 3170, 5014, 5450, 6340, 7291, 7925, 10028, 10900, 12535, 14582, 15850, 25070, 29164, 31700, 34553, 36455, 50140, 62675, 69106, 72910, 125350, 138212, 145820, 172765, 182275, 250700, 345530, 364550, 691060, 729100, 794719, 863825, 1589438, 1727650, 3178876, 3455300, 3973595, 7947190, 15894380, 19867975, 39735950, 79471900]

約数ペア:

[(1, 79471900), (2, 39735950), (4, 19867975), (5, 15894380), (10, 7947190), (20, 3973595), (23, 3455300), (25, 3178876), (46, 1727650), (50, 1589438), (92, 863825), (100, 794719), (109, 729100), (115, 691060), (218, 364550), (230, 345530), (317, 250700), (436, 182275), (460, 172765), (545, 145820), (575, 138212), (634, 125350), (1090, 72910), (1150, 69106), (1268, 62675), (1585, 50140), (2180, 36455), (2300, 34553), (2507, 31700), (2725, 29164), (3170, 25070), (5014, 15850), (5450, 14582), (6340, 12535), (7291, 10900), (7925, 10028)]