84088840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{857}}^1$

素因数の和:1102

約数の個数: 64

約数和(自身を含む): 207567360

約数和(自身を除く): 123478520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 223, 440, 446, 857, 892, 1115, 1714, 1784, 2230, 2453, 3428, 4285, 4460, 4906, 6856, 8570, 8920, 9427, 9812, 12265, 17140, 18854, 19624, 24530, 34280, 37708, 47135, 49060, 75416, 94270, 98120, 188540, 191111, 377080, 382222, 764444, 955555, 1528888, 1911110, 2102221, 3822220, 4204442, 7644440, 8408884, 10511105, 16817768, 21022210, 42044420, 84088840]

約数ペア:

[(1, 84088840), (2, 42044420), (4, 21022210), (5, 16817768), (8, 10511105), (10, 8408884), (11, 7644440), (20, 4204442), (22, 3822220), (40, 2102221), (44, 1911110), (55, 1528888), (88, 955555), (110, 764444), (220, 382222), (223, 377080), (440, 191111), (446, 188540), (857, 98120), (892, 94270), (1115, 75416), (1714, 49060), (1784, 47135), (2230, 37708), (2453, 34280), (3428, 24530), (4285, 19624), (4460, 18854), (4906, 17140), (6856, 12265), (8570, 9812), (8920, 9427)]