78472900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71339}}^1$

素因数の和:71364

約数の個数: 36

約数和(自身を含む): 185769360

約数和(自身を除く): 107296460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 71339, 142678, 285356, 356695, 713390, 784729, 1426780, 1569458, 1783475, 3138916, 3566950, 3923645, 7133900, 7847290, 15694580, 19618225, 39236450, 78472900]

約数ペア:

[(1, 78472900), (2, 39236450), (4, 19618225), (5, 15694580), (10, 7847290), (11, 7133900), (20, 3923645), (22, 3566950), (25, 3138916), (44, 1783475), (50, 1569458), (55, 1426780), (100, 784729), (110, 713390), (220, 356695), (275, 285356), (550, 142678), (1100, 71339)]