84127780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8893}}^1$

素因数の和:8956

約数の個数: 48

約数和(自身を含む): 197233344

約数和(自身を除く): 113105564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 8893, 9460, 17786, 35572, 44465, 88930, 97823, 177860, 195646, 382399, 391292, 489115, 764798, 978230, 1529596, 1911995, 1956460, 3823990, 4206389, 7647980, 8412778, 16825556, 21031945, 42063890, 84127780]

約数ペア:

[(1, 84127780), (2, 42063890), (4, 21031945), (5, 16825556), (10, 8412778), (11, 7647980), (20, 4206389), (22, 3823990), (43, 1956460), (44, 1911995), (55, 1529596), (86, 978230), (110, 764798), (172, 489115), (215, 391292), (220, 382399), (430, 195646), (473, 177860), (860, 97823), (946, 88930), (1892, 44465), (2365, 35572), (4730, 17786), (8893, 9460)]