1361500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{389}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 3407040

約数和(自身を除く): 2045540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 389, 500, 700, 778, 875, 1556, 1750, 1945, 2723, 3500, 3890, 5446, 7780, 9725, 10892, 13615, 19450, 27230, 38900, 48625, 54460, 68075, 97250, 136150, 194500, 272300, 340375, 680750, 1361500]

約数ペア:

[(1, 1361500), (2, 680750), (4, 340375), (5, 272300), (7, 194500), (10, 136150), (14, 97250), (20, 68075), (25, 54460), (28, 48625), (35, 38900), (50, 27230), (70, 19450), (100, 13615), (125, 10892), (140, 9725), (175, 7780), (250, 5446), (350, 3890), (389, 3500), (500, 2723), (700, 1945), (778, 1750), (875, 1556)]