81125800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{57947}}^1$

素因数の和:57970

約数の個数: 48

約数和(自身を含む): 215566560

約数和(自身を除く): 134440760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 57947, 115894, 231788, 289735, 405629, 463576, 579470, 811258, 1158940, 1448675, 1622516, 2028145, 2317880, 2897350, 3245032, 4056290, 5794700, 8112580, 10140725, 11589400, 16225160, 20281450, 40562900, 81125800]

約数ペア:

[(1, 81125800), (2, 40562900), (4, 20281450), (5, 16225160), (7, 11589400), (8, 10140725), (10, 8112580), (14, 5794700), (20, 4056290), (25, 3245032), (28, 2897350), (35, 2317880), (40, 2028145), (50, 1622516), (56, 1448675), (70, 1158940), (100, 811258), (140, 579470), (175, 463576), (200, 405629), (280, 289735), (350, 231788), (700, 115894), (1400, 57947)]