1878920

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{439}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 4276800

約数和(自身を除く): 2397880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 439, 535, 856, 878, 1070, 1756, 2140, 2195, 3512, 4280, 4390, 8780, 17560, 46973, 93946, 187892, 234865, 375784, 469730, 939460, 1878920]

約数ペア:

[(1, 1878920), (2, 939460), (4, 469730), (5, 375784), (8, 234865), (10, 187892), (20, 93946), (40, 46973), (107, 17560), (214, 8780), (428, 4390), (439, 4280), (535, 3512), (856, 2195), (878, 2140), (1070, 1756)]