21779800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:401

約数の個数: 96

約数和(自身を含む): 59281920

約数和(自身を除く): 37502120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 47, 50, 56, 70, 94, 100, 140, 175, 188, 200, 235, 280, 329, 331, 350, 376, 470, 658, 662, 700, 940, 1175, 1316, 1324, 1400, 1645, 1655, 1880, 2317, 2350, 2632, 2648, 3290, 3310, 4634, 4700, 6580, 6620, 8225, 8275, 9268, 9400, 11585, 13160, 13240, 15557, 16450, 16550, 18536, 23170, 31114, 32900, 33100, 46340, 57925, 62228, 65800, 66200, 77785, 92680, 108899, 115850, 124456, 155570, 217798, 231700, 311140, 388925, 435596, 463400, 544495, 622280, 777850, 871192, 1088990, 1555700, 2177980, 2722475, 3111400, 4355960, 5444950, 10889900, 21779800]

約数ペア:

[(1, 21779800), (2, 10889900), (4, 5444950), (5, 4355960), (7, 3111400), (8, 2722475), (10, 2177980), (14, 1555700), (20, 1088990), (25, 871192), (28, 777850), (35, 622280), (40, 544495), (47, 463400), (50, 435596), (56, 388925), (70, 311140), (94, 231700), (100, 217798), (140, 155570), (175, 124456), (188, 115850), (200, 108899), (235, 92680), (280, 77785), (329, 66200), (331, 65800), (350, 62228), (376, 57925), (470, 46340), (658, 33100), (662, 32900), (700, 31114), (940, 23170), (1175, 18536), (1316, 16550), (1324, 16450), (1400, 15557), (1645, 13240), (1655, 13160), (1880, 11585), (2317, 9400), (2350, 9268), (2632, 8275), (2648, 8225), (3290, 6620), (3310, 6580), (4634, 4700)]