6887000

素因数分解:

$2^3\times 5^3\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 16511040

約数和(自身を除く): 9624040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 97, 100, 125, 142, 194, 200, 250, 284, 355, 388, 485, 500, 568, 710, 776, 970, 1000, 1420, 1775, 1940, 2425, 2840, 3550, 3880, 4850, 6887, 7100, 8875, 9700, 12125, 13774, 14200, 17750, 19400, 24250, 27548, 34435, 35500, 48500, 55096, 68870, 71000, 97000, 137740, 172175, 275480, 344350, 688700, 860875, 1377400, 1721750, 3443500, 6887000]

約数ペア:

[(1, 6887000), (2, 3443500), (4, 1721750), (5, 1377400), (8, 860875), (10, 688700), (20, 344350), (25, 275480), (40, 172175), (50, 137740), (71, 97000), (97, 71000), (100, 68870), (125, 55096), (142, 48500), (194, 35500), (200, 34435), (250, 27548), (284, 24250), (355, 19400), (388, 17750), (485, 14200), (500, 13774), (568, 12125), (710, 9700), (776, 8875), (970, 7100), (1000, 6887), (1420, 4850), (1775, 3880), (1940, 3550), (2425, 2840)]