31394000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{1427}}^1$

素因数の和:1461

約数の個数: 80

約数和(自身を含む): 82869696

約数和(自身を除く): 51475696

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 200, 220, 250, 275, 400, 440, 500, 550, 880, 1000, 1100, 1375, 1427, 2000, 2200, 2750, 2854, 4400, 5500, 5708, 7135, 11000, 11416, 14270, 15697, 22000, 22832, 28540, 31394, 35675, 57080, 62788, 71350, 78485, 114160, 125576, 142700, 156970, 178375, 251152, 285400, 313940, 356750, 392425, 570800, 627880, 713500, 784850, 1255760, 1427000, 1569700, 1962125, 2854000, 3139400, 3924250, 6278800, 7848500, 15697000, 31394000]

約数ペア:

[(1, 31394000), (2, 15697000), (4, 7848500), (5, 6278800), (8, 3924250), (10, 3139400), (11, 2854000), (16, 1962125), (20, 1569700), (22, 1427000), (25, 1255760), (40, 784850), (44, 713500), (50, 627880), (55, 570800), (80, 392425), (88, 356750), (100, 313940), (110, 285400), (125, 251152), (176, 178375), (200, 156970), (220, 142700), (250, 125576), (275, 114160), (400, 78485), (440, 71350), (500, 62788), (550, 57080), (880, 35675), (1000, 31394), (1100, 28540), (1375, 22832), (1427, 22000), (2000, 15697), (2200, 14270), (2750, 11416), (2854, 11000), (4400, 7135), (5500, 5708)]