2447500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1$

素因数の和:124

約数の個数: 60

約数和(自身を含む): 5904360

約数和(自身を除く): 3456860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 89, 100, 110, 125, 178, 220, 250, 275, 356, 445, 500, 550, 625, 890, 979, 1100, 1250, 1375, 1780, 1958, 2225, 2500, 2750, 3916, 4450, 4895, 5500, 6875, 8900, 9790, 11125, 13750, 19580, 22250, 24475, 27500, 44500, 48950, 55625, 97900, 111250, 122375, 222500, 244750, 489500, 611875, 1223750, 2447500]

約数ペア:

[(1, 2447500), (2, 1223750), (4, 611875), (5, 489500), (10, 244750), (11, 222500), (20, 122375), (22, 111250), (25, 97900), (44, 55625), (50, 48950), (55, 44500), (89, 27500), (100, 24475), (110, 22250), (125, 19580), (178, 13750), (220, 11125), (250, 9790), (275, 8900), (356, 6875), (445, 5500), (500, 4895), (550, 4450), (625, 3916), (890, 2750), (979, 2500), (1100, 2225), (1250, 1958), (1375, 1780)]