2991230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 5971968

約数和(自身を除く): 2980738

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 383, 710, 766, 781, 1562, 1915, 3830, 3905, 4213, 7810, 8426, 21065, 27193, 42130, 54386, 135965, 271930, 299123, 598246, 1495615, 2991230]

約数ペア:

[(1, 2991230), (2, 1495615), (5, 598246), (10, 299123), (11, 271930), (22, 135965), (55, 54386), (71, 42130), (110, 27193), (142, 21065), (355, 8426), (383, 7810), (710, 4213), (766, 3905), (781, 3830), (1562, 1915)]