9378820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 21772800

約数和(自身を除く): 12393980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 479, 890, 958, 979, 1780, 1916, 1958, 2395, 3916, 4790, 4895, 5269, 9580, 9790, 10538, 19580, 21076, 26345, 42631, 52690, 85262, 105380, 170524, 213155, 426310, 468941, 852620, 937882, 1875764, 2344705, 4689410, 9378820]

約数ペア:

[(1, 9378820), (2, 4689410), (4, 2344705), (5, 1875764), (10, 937882), (11, 852620), (20, 468941), (22, 426310), (44, 213155), (55, 170524), (89, 105380), (110, 85262), (178, 52690), (220, 42631), (356, 26345), (445, 21076), (479, 19580), (890, 10538), (958, 9790), (979, 9580), (1780, 5269), (1916, 4895), (1958, 4790), (2395, 3916)]