27974800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:225

約数の個数: 120

約数和(自身を含む): 78356096

約数和(自身を除く): 50381296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 97, 100, 103, 112, 140, 175, 194, 200, 206, 280, 350, 388, 400, 412, 485, 515, 560, 679, 700, 721, 776, 824, 970, 1030, 1358, 1400, 1442, 1552, 1648, 1940, 2060, 2425, 2575, 2716, 2800, 2884, 3395, 3605, 3880, 4120, 4850, 5150, 5432, 5768, 6790, 7210, 7760, 8240, 9700, 9991, 10300, 10864, 11536, 13580, 14420, 16975, 18025, 19400, 19982, 20600, 27160, 28840, 33950, 36050, 38800, 39964, 41200, 49955, 54320, 57680, 67900, 69937, 72100, 79928, 99910, 135800, 139874, 144200, 159856, 199820, 249775, 271600, 279748, 288400, 349685, 399640, 499550, 559496, 699370, 799280, 999100, 1118992, 1398740, 1748425, 1998200, 2797480, 3496850, 3996400, 5594960, 6993700, 13987400, 27974800]

約数ペア:

[(1, 27974800), (2, 13987400), (4, 6993700), (5, 5594960), (7, 3996400), (8, 3496850), (10, 2797480), (14, 1998200), (16, 1748425), (20, 1398740), (25, 1118992), (28, 999100), (35, 799280), (40, 699370), (50, 559496), (56, 499550), (70, 399640), (80, 349685), (97, 288400), (100, 279748), (103, 271600), (112, 249775), (140, 199820), (175, 159856), (194, 144200), (200, 139874), (206, 135800), (280, 99910), (350, 79928), (388, 72100), (400, 69937), (412, 67900), (485, 57680), (515, 54320), (560, 49955), (679, 41200), (700, 39964), (721, 38800), (776, 36050), (824, 33950), (970, 28840), (1030, 27160), (1358, 20600), (1400, 19982), (1442, 19400), (1552, 18025), (1648, 16975), (1940, 14420), (2060, 13580), (2425, 11536), (2575, 10864), (2716, 10300), (2800, 9991), (2884, 9700), (3395, 8240), (3605, 7760), (3880, 7210), (4120, 6790), (4850, 5768), (5150, 5432)]