2019024440

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1\times {\mathrm{1489}}^1$

素因数の和:1920

約数の個数: 64

約数和(自身を含む): 4602312000

約数和(自身を除く): 2583287560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 311, 436, 545, 622, 872, 1090, 1244, 1489, 1555, 2180, 2488, 2978, 3110, 4360, 5956, 6220, 7445, 11912, 12440, 14890, 29780, 33899, 59560, 67798, 135596, 162301, 169495, 271192, 324602, 338990, 463079, 649204, 677980, 811505, 926158, 1298408, 1355960, 1623010, 1852316, 2315395, 3246020, 3704632, 4630790, 6492040, 9261580, 18523160, 50475611, 100951222, 201902444, 252378055, 403804888, 504756110, 1009512220, 2019024440]

約数ペア:

[(1, 2019024440), (2, 1009512220), (4, 504756110), (5, 403804888), (8, 252378055), (10, 201902444), (20, 100951222), (40, 50475611), (109, 18523160), (218, 9261580), (311, 6492040), (436, 4630790), (545, 3704632), (622, 3246020), (872, 2315395), (1090, 1852316), (1244, 1623010), (1489, 1355960), (1555, 1298408), (2180, 926158), (2488, 811505), (2978, 677980), (3110, 649204), (4360, 463079), (5956, 338990), (6220, 324602), (7445, 271192), (11912, 169495), (12440, 162301), (14890, 135596), (29780, 67798), (33899, 59560)]