85875020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{55763}}^1$

素因数の和:55790

約数の個数: 48

約数和(自身を含む): 224840448

約数和(自身を除く): 138965428

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 55763, 111526, 223052, 278815, 390341, 557630, 613393, 780682, 1115260, 1226786, 1561364, 1951705, 2453572, 3066965, 3903410, 4293751, 6133930, 7806820, 8587502, 12267860, 17175004, 21468755, 42937510, 85875020]

約数ペア:

[(1, 85875020), (2, 42937510), (4, 21468755), (5, 17175004), (7, 12267860), (10, 8587502), (11, 7806820), (14, 6133930), (20, 4293751), (22, 3903410), (28, 3066965), (35, 2453572), (44, 1951705), (55, 1561364), (70, 1226786), (77, 1115260), (110, 780682), (140, 613393), (154, 557630), (220, 390341), (308, 278815), (385, 223052), (770, 111526), (1540, 55763)]