71609000

素因数分解:

$2^3\times 5^3\times {\mathrm{101}}^1\times {\mathrm{709}}^1$

素因数の和:831

約数の個数: 64

約数和(自身を含む): 169462800

約数和(自身を除く): 97853800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 125, 200, 202, 250, 404, 500, 505, 709, 808, 1000, 1010, 1418, 2020, 2525, 2836, 3545, 4040, 5050, 5672, 7090, 10100, 12625, 14180, 17725, 20200, 25250, 28360, 35450, 50500, 70900, 71609, 88625, 101000, 141800, 143218, 177250, 286436, 354500, 358045, 572872, 709000, 716090, 1432180, 1790225, 2864360, 3580450, 7160900, 8951125, 14321800, 17902250, 35804500, 71609000]

約数ペア:

[(1, 71609000), (2, 35804500), (4, 17902250), (5, 14321800), (8, 8951125), (10, 7160900), (20, 3580450), (25, 2864360), (40, 1790225), (50, 1432180), (100, 716090), (101, 709000), (125, 572872), (200, 358045), (202, 354500), (250, 286436), (404, 177250), (500, 143218), (505, 141800), (709, 101000), (808, 88625), (1000, 71609), (1010, 70900), (1418, 50500), (2020, 35450), (2525, 28360), (2836, 25250), (3545, 20200), (4040, 17725), (5050, 14180), (5672, 12625), (7090, 10100)]