661129000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{94447}}^1$

素因数の和:94475

約数の個数: 64

約数和(自身を含む): 1768066560

約数和(自身を除く): 1106937560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3500, 7000, 94447, 188894, 377788, 472235, 661129, 755576, 944470, 1322258, 1888940, 2361175, 2644516, 3305645, 3777880, 4722350, 5289032, 6611290, 9444700, 11805875, 13222580, 16528225, 18889400, 23611750, 26445160, 33056450, 47223500, 66112900, 82641125, 94447000, 132225800, 165282250, 330564500, 661129000]

約数ペア:

[(1, 661129000), (2, 330564500), (4, 165282250), (5, 132225800), (7, 94447000), (8, 82641125), (10, 66112900), (14, 47223500), (20, 33056450), (25, 26445160), (28, 23611750), (35, 18889400), (40, 16528225), (50, 13222580), (56, 11805875), (70, 9444700), (100, 6611290), (125, 5289032), (140, 4722350), (175, 3777880), (200, 3305645), (250, 2644516), (280, 2361175), (350, 1888940), (500, 1322258), (700, 944470), (875, 755576), (1000, 661129), (1400, 472235), (1750, 377788), (3500, 188894), (7000, 94447)]