84880840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{509}}^1$

素因数の和:910

約数の個数: 64

約数和(自身を含む): 209304000

約数和(自身を除く): 124423160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 379, 440, 509, 758, 1018, 1516, 1895, 2036, 2545, 3032, 3790, 4072, 4169, 5090, 5599, 7580, 8338, 10180, 11198, 15160, 16676, 20360, 20845, 22396, 27995, 33352, 41690, 44792, 55990, 83380, 111980, 166760, 192911, 223960, 385822, 771644, 964555, 1543288, 1929110, 2122021, 3858220, 4244042, 7716440, 8488084, 10610105, 16976168, 21220210, 42440420, 84880840]

約数ペア:

[(1, 84880840), (2, 42440420), (4, 21220210), (5, 16976168), (8, 10610105), (10, 8488084), (11, 7716440), (20, 4244042), (22, 3858220), (40, 2122021), (44, 1929110), (55, 1543288), (88, 964555), (110, 771644), (220, 385822), (379, 223960), (440, 192911), (509, 166760), (758, 111980), (1018, 83380), (1516, 55990), (1895, 44792), (2036, 41690), (2545, 33352), (3032, 27995), (3790, 22396), (4072, 20845), (4169, 20360), (5090, 16676), (5599, 15160), (7580, 11198), (8338, 10180)]