81841900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2719}}^1$

素因数の和:2783

約数の個数: 72

約数和(自身を含む): 207764480

約数和(自身を除く): 125922580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 43, 50, 70, 86, 100, 140, 172, 175, 215, 301, 350, 430, 602, 700, 860, 1075, 1204, 1505, 2150, 2719, 3010, 4300, 5438, 6020, 7525, 10876, 13595, 15050, 19033, 27190, 30100, 38066, 54380, 67975, 76132, 95165, 116917, 135950, 190330, 233834, 271900, 380660, 467668, 475825, 584585, 818419, 951650, 1169170, 1636838, 1903300, 2338340, 2922925, 3273676, 4092095, 5845850, 8184190, 11691700, 16368380, 20460475, 40920950, 81841900]

約数ペア:

[(1, 81841900), (2, 40920950), (4, 20460475), (5, 16368380), (7, 11691700), (10, 8184190), (14, 5845850), (20, 4092095), (25, 3273676), (28, 2922925), (35, 2338340), (43, 1903300), (50, 1636838), (70, 1169170), (86, 951650), (100, 818419), (140, 584585), (172, 475825), (175, 467668), (215, 380660), (301, 271900), (350, 233834), (430, 190330), (602, 135950), (700, 116917), (860, 95165), (1075, 76132), (1204, 67975), (1505, 54380), (2150, 38066), (2719, 30100), (3010, 27190), (4300, 19033), (5438, 15050), (6020, 13595), (7525, 10876)]