53900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{11}}^1$

素因数の和:39

約数の個数: 54

約数和(自身を含む): 148428

約数和(自身を除く): 94528

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 49, 50, 55, 70, 77, 98, 100, 110, 140, 154, 175, 196, 220, 245, 275, 308, 350, 385, 490, 539, 550, 700, 770, 980, 1078, 1100, 1225, 1540, 1925, 2156, 2450, 2695, 3850, 4900, 5390, 7700, 10780, 13475, 26950, 53900]

約数ペア:

[(1, 53900), (2, 26950), (4, 13475), (5, 10780), (7, 7700), (10, 5390), (11, 4900), (14, 3850), (20, 2695), (22, 2450), (25, 2156), (28, 1925), (35, 1540), (44, 1225), (49, 1100), (50, 1078), (55, 980), (70, 770), (77, 700), (98, 550), (100, 539), (110, 490), (140, 385), (154, 350), (175, 308), (196, 275), (220, 245)]