155440990

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1\times {\mathrm{547}}^1$

素因数の和:892

約数の個数: 32

約数和(自身を含む): 283649184

約数和(自身を除く): 128208194

約数列:

[1, 2, 5, 10, 157, 181, 314, 362, 547, 785, 905, 1094, 1570, 1810, 2735, 5470, 28417, 56834, 85879, 99007, 142085, 171758, 198014, 284170, 429395, 495035, 858790, 990070, 15544099, 31088198, 77720495, 155440990]

約数ペア:

[(1, 155440990), (2, 77720495), (5, 31088198), (10, 15544099), (157, 990070), (181, 858790), (314, 495035), (362, 429395), (547, 284170), (785, 198014), (905, 171758), (1094, 142085), (1570, 99007), (1810, 85879), (2735, 56834), (5470, 28417)]