1022202380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1\times {\mathrm{1279}}^1$

素因数の和:1826

約数の個数: 48

約数和(自身を含む): 2177280000

約数和(自身を除く): 1155077620

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 449, 890, 898, 1279, 1780, 1796, 2245, 2558, 4490, 5116, 6395, 8980, 12790, 25580, 39961, 79922, 113831, 159844, 199805, 227662, 399610, 455324, 569155, 574271, 799220, 1138310, 1148542, 2276620, 2297084, 2871355, 5742710, 11485420, 51110119, 102220238, 204440476, 255550595, 511101190, 1022202380]

約数ペア:

[(1, 1022202380), (2, 511101190), (4, 255550595), (5, 204440476), (10, 102220238), (20, 51110119), (89, 11485420), (178, 5742710), (356, 2871355), (445, 2297084), (449, 2276620), (890, 1148542), (898, 1138310), (1279, 799220), (1780, 574271), (1796, 569155), (2245, 455324), (2558, 399610), (4490, 227662), (5116, 199805), (6395, 159844), (8980, 113831), (12790, 79922), (25580, 39961)]