7090000

素因数分解:

$2^4\times 5^4\times {\mathrm{709}}^1$

素因数の和:737

約数の個数: 50

約数和(自身を含む): 17189810

約数和(自身を除く): 10099810

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 709, 1000, 1250, 1418, 2000, 2500, 2836, 3545, 5000, 5672, 7090, 10000, 11344, 14180, 17725, 28360, 35450, 56720, 70900, 88625, 141800, 177250, 283600, 354500, 443125, 709000, 886250, 1418000, 1772500, 3545000, 7090000]

約数ペア:

[(1, 7090000), (2, 3545000), (4, 1772500), (5, 1418000), (8, 886250), (10, 709000), (16, 443125), (20, 354500), (25, 283600), (40, 177250), (50, 141800), (80, 88625), (100, 70900), (125, 56720), (200, 35450), (250, 28360), (400, 17725), (500, 14180), (625, 11344), (709, 10000), (1000, 7090), (1250, 5672), (1418, 5000), (2000, 3545), (2500, 2836)]