172488140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{7193}}^1$

素因数の和:7322

約数の個数: 48

約数和(自身を含む): 398835360

約数和(自身を除く): 226347220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 4796, 5995, 7193, 11990, 14386, 23980, 28772, 35965, 71930, 79123, 143860, 158246, 316492, 395615, 784037, 791230, 1568074, 1582460, 3136148, 3920185, 7840370, 8624407, 15680740, 17248814, 34497628, 43122035, 86244070, 172488140]

約数ペア:

[(1, 172488140), (2, 86244070), (4, 43122035), (5, 34497628), (10, 17248814), (11, 15680740), (20, 8624407), (22, 7840370), (44, 3920185), (55, 3136148), (109, 1582460), (110, 1568074), (218, 791230), (220, 784037), (436, 395615), (545, 316492), (1090, 158246), (1199, 143860), (2180, 79123), (2398, 71930), (4796, 35965), (5995, 28772), (7193, 23980), (11990, 14386)]