258804920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{8779}}^1$

素因数の和:8868

約数の個数: 64

約数和(自身を含む): 644803200

約数和(自身を除く): 385998280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 737, 1340, 1474, 2680, 2948, 3685, 5896, 7370, 8779, 14740, 17558, 29480, 35116, 43895, 70232, 87790, 96569, 175580, 193138, 351160, 386276, 482845, 588193, 772552, 965690, 1176386, 1931380, 2352772, 2940965, 3862760, 4705544, 5881930, 6470123, 11763860, 12940246, 23527720, 25880492, 32350615, 51760984, 64701230, 129402460, 258804920]

約数ペア:

[(1, 258804920), (2, 129402460), (4, 64701230), (5, 51760984), (8, 32350615), (10, 25880492), (11, 23527720), (20, 12940246), (22, 11763860), (40, 6470123), (44, 5881930), (55, 4705544), (67, 3862760), (88, 2940965), (110, 2352772), (134, 1931380), (220, 1176386), (268, 965690), (335, 772552), (440, 588193), (536, 482845), (670, 386276), (737, 351160), (1340, 193138), (1474, 175580), (2680, 96569), (2948, 87790), (3685, 70232), (5896, 43895), (7370, 35116), (8779, 29480), (14740, 17558)]