3954500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{719}}^1$

素因数の和:749

約数の個数: 48

約数和(自身を含む): 9434880

約数和(自身を除く): 5480380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 719, 1100, 1375, 1438, 2750, 2876, 3595, 5500, 7190, 7909, 14380, 15818, 17975, 31636, 35950, 39545, 71900, 79090, 89875, 158180, 179750, 197725, 359500, 395450, 790900, 988625, 1977250, 3954500]

約数ペア:

[(1, 3954500), (2, 1977250), (4, 988625), (5, 790900), (10, 395450), (11, 359500), (20, 197725), (22, 179750), (25, 158180), (44, 89875), (50, 79090), (55, 71900), (100, 39545), (110, 35950), (125, 31636), (220, 17975), (250, 15818), (275, 14380), (500, 7909), (550, 7190), (719, 5500), (1100, 3595), (1375, 2876), (1438, 2750)]