7748180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{859}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 18204480

約数和(自身を除く): 10456300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 859, 902, 1718, 1804, 2255, 3436, 4295, 4510, 8590, 9020, 9449, 17180, 18898, 35219, 37796, 47245, 70438, 94490, 140876, 176095, 188980, 352190, 387409, 704380, 774818, 1549636, 1937045, 3874090, 7748180]

約数ペア:

[(1, 7748180), (2, 3874090), (4, 1937045), (5, 1549636), (10, 774818), (11, 704380), (20, 387409), (22, 352190), (41, 188980), (44, 176095), (55, 140876), (82, 94490), (110, 70438), (164, 47245), (205, 37796), (220, 35219), (410, 18898), (451, 17180), (820, 9449), (859, 9020), (902, 8590), (1718, 4510), (1804, 4295), (2255, 3436)]