619522040

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{329533}}^1$

素因数の和:329591

約数の個数: 32

約数和(自身を含む): 1423586880

約数和(自身を除く): 804064840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 329533, 659066, 1318132, 1647665, 2636264, 3295330, 6590660, 13181320, 15488051, 30976102, 61952204, 77440255, 123904408, 154880510, 309761020, 619522040]

約数ペア:

[(1, 619522040), (2, 309761020), (4, 154880510), (5, 123904408), (8, 77440255), (10, 61952204), (20, 30976102), (40, 15488051), (47, 13181320), (94, 6590660), (188, 3295330), (235, 2636264), (376, 1647665), (470, 1318132), (940, 659066), (1880, 329533)]