2019556840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{7212703}}^1$

素因数の和:7212721

約数の個数: 32

約数和(自身を含む): 5193146880

約数和(自身を除く): 3173590040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7212703, 14425406, 28850812, 36063515, 50488921, 57701624, 72127030, 100977842, 144254060, 201955684, 252444605, 288508120, 403911368, 504889210, 1009778420, 2019556840]

約数ペア:

[(1, 2019556840), (2, 1009778420), (4, 504889210), (5, 403911368), (7, 288508120), (8, 252444605), (10, 201955684), (14, 144254060), (20, 100977842), (28, 72127030), (35, 57701624), (40, 50488921), (56, 36063515), (70, 28850812), (140, 14425406), (280, 7212703)]