280403710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{22027}}^1$

素因数の和:22120

約数の個数: 32

約数和(自身を含む): 539245440

約数和(自身を除く): 258841730

約数列:

[1, 2, 5, 10, 19, 38, 67, 95, 134, 190, 335, 670, 1273, 2546, 6365, 12730, 22027, 44054, 110135, 220270, 418513, 837026, 1475809, 2092565, 2951618, 4185130, 7379045, 14758090, 28040371, 56080742, 140201855, 280403710]

約数ペア:

[(1, 280403710), (2, 140201855), (5, 56080742), (10, 28040371), (19, 14758090), (38, 7379045), (67, 4185130), (95, 2951618), (134, 2092565), (190, 1475809), (335, 837026), (670, 418513), (1273, 220270), (2546, 110135), (6365, 44054), (12730, 22027)]