2911280

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:405

約数の個数: 40

約数和(自身を含む): 6841824

約数和(自身を除く): 3930544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 241, 302, 482, 604, 755, 964, 1205, 1208, 1510, 1928, 2410, 2416, 3020, 3856, 4820, 6040, 9640, 12080, 19280, 36391, 72782, 145564, 181955, 291128, 363910, 582256, 727820, 1455640, 2911280]

約数ペア:

[(1, 2911280), (2, 1455640), (4, 727820), (5, 582256), (8, 363910), (10, 291128), (16, 181955), (20, 145564), (40, 72782), (80, 36391), (151, 19280), (241, 12080), (302, 9640), (482, 6040), (604, 4820), (755, 3856), (964, 3020), (1205, 2416), (1208, 2410), (1510, 1928)]