673401640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{2239}}^1$

素因数の和:2426

約数の個数: 64

約数和(自身を含む): 1551513600

約数和(自身を除く): 878111960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 103, 146, 206, 292, 365, 412, 515, 584, 730, 824, 1030, 1460, 2060, 2239, 2920, 4120, 4478, 7519, 8956, 11195, 15038, 17912, 22390, 30076, 37595, 44780, 60152, 75190, 89560, 150380, 163447, 230617, 300760, 326894, 461234, 653788, 817235, 922468, 1153085, 1307576, 1634470, 1844936, 2306170, 3268940, 4612340, 6537880, 9224680, 16835041, 33670082, 67340164, 84175205, 134680328, 168350410, 336700820, 673401640]

約数ペア:

[(1, 673401640), (2, 336700820), (4, 168350410), (5, 134680328), (8, 84175205), (10, 67340164), (20, 33670082), (40, 16835041), (73, 9224680), (103, 6537880), (146, 4612340), (206, 3268940), (292, 2306170), (365, 1844936), (412, 1634470), (515, 1307576), (584, 1153085), (730, 922468), (824, 817235), (1030, 653788), (1460, 461234), (2060, 326894), (2239, 300760), (2920, 230617), (4120, 163447), (4478, 150380), (7519, 89560), (8956, 75190), (11195, 60152), (15038, 44780), (17912, 37595), (22390, 30076)]