179455420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1\times {\mathrm{313}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 382979520

約数和(自身を除く): 203524100

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 263, 313, 436, 526, 545, 626, 1052, 1090, 1252, 1315, 1565, 2180, 2630, 3130, 5260, 6260, 28667, 34117, 57334, 68234, 82319, 114668, 136468, 143335, 164638, 170585, 286670, 329276, 341170, 411595, 573340, 682340, 823190, 1646380, 8972771, 17945542, 35891084, 44863855, 89727710, 179455420]

約数ペア:

[(1, 179455420), (2, 89727710), (4, 44863855), (5, 35891084), (10, 17945542), (20, 8972771), (109, 1646380), (218, 823190), (263, 682340), (313, 573340), (436, 411595), (526, 341170), (545, 329276), (626, 286670), (1052, 170585), (1090, 164638), (1252, 143335), (1315, 136468), (1565, 114668), (2180, 82319), (2630, 68234), (3130, 57334), (5260, 34117), (6260, 28667)]