47987500

素因数分解:

$2^2\times 5^5\times {\mathrm{11}}^1\times {\mathrm{349}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 114836400

約数和(自身を除く): 66848900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 349, 500, 550, 625, 698, 1100, 1250, 1375, 1396, 1745, 2500, 2750, 3125, 3490, 3839, 5500, 6250, 6875, 6980, 7678, 8725, 12500, 13750, 15356, 17450, 19195, 27500, 34375, 34900, 38390, 43625, 68750, 76780, 87250, 95975, 137500, 174500, 191950, 218125, 383900, 436250, 479875, 872500, 959750, 1090625, 1919500, 2181250, 2399375, 4362500, 4798750, 9597500, 11996875, 23993750, 47987500]

約数ペア:

[(1, 47987500), (2, 23993750), (4, 11996875), (5, 9597500), (10, 4798750), (11, 4362500), (20, 2399375), (22, 2181250), (25, 1919500), (44, 1090625), (50, 959750), (55, 872500), (100, 479875), (110, 436250), (125, 383900), (220, 218125), (250, 191950), (275, 174500), (349, 137500), (500, 95975), (550, 87250), (625, 76780), (698, 68750), (1100, 43625), (1250, 38390), (1375, 34900), (1396, 34375), (1745, 27500), (2500, 19195), (2750, 17450), (3125, 15356), (3490, 13750), (3839, 12500), (5500, 8725), (6250, 7678), (6875, 6980)]