1990600

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 4770900

約数和(自身を除く): 2780300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 148, 185, 200, 269, 296, 370, 538, 740, 925, 1076, 1345, 1480, 1850, 2152, 2690, 3700, 5380, 6725, 7400, 9953, 10760, 13450, 19906, 26900, 39812, 49765, 53800, 79624, 99530, 199060, 248825, 398120, 497650, 995300, 1990600]

約数ペア:

[(1, 1990600), (2, 995300), (4, 497650), (5, 398120), (8, 248825), (10, 199060), (20, 99530), (25, 79624), (37, 53800), (40, 49765), (50, 39812), (74, 26900), (100, 19906), (148, 13450), (185, 10760), (200, 9953), (269, 7400), (296, 6725), (370, 5380), (538, 3700), (740, 2690), (925, 2152), (1076, 1850), (1345, 1480)]