126979400

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{21893}}^1$

素因数の和:21938

約数の個数: 48

約数和(自身を含む): 305421300

約数和(自身を除く): 178441900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 580, 725, 1160, 1450, 2900, 5800, 21893, 43786, 87572, 109465, 175144, 218930, 437860, 547325, 634897, 875720, 1094650, 1269794, 2189300, 2539588, 3174485, 4378600, 5079176, 6348970, 12697940, 15872425, 25395880, 31744850, 63489700, 126979400]

約数ペア:

[(1, 126979400), (2, 63489700), (4, 31744850), (5, 25395880), (8, 15872425), (10, 12697940), (20, 6348970), (25, 5079176), (29, 4378600), (40, 3174485), (50, 2539588), (58, 2189300), (100, 1269794), (116, 1094650), (145, 875720), (200, 634897), (232, 547325), (290, 437860), (580, 218930), (725, 175144), (1160, 109465), (1450, 87572), (2900, 43786), (5800, 21893)]