1688893660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{17707}}^1$

素因数の和:17986

約数の個数: 48

約数和(自身を含む): 3748429440

約数和(自身を除く): 2059535780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 251, 380, 502, 1004, 1255, 2510, 4769, 5020, 9538, 17707, 19076, 23845, 35414, 47690, 70828, 88535, 95380, 177070, 336433, 354140, 672866, 1345732, 1682165, 3364330, 4444457, 6728660, 8888914, 17777828, 22222285, 44444570, 84444683, 88889140, 168889366, 337778732, 422223415, 844446830, 1688893660]

約数ペア:

[(1, 1688893660), (2, 844446830), (4, 422223415), (5, 337778732), (10, 168889366), (19, 88889140), (20, 84444683), (38, 44444570), (76, 22222285), (95, 17777828), (190, 8888914), (251, 6728660), (380, 4444457), (502, 3364330), (1004, 1682165), (1255, 1345732), (2510, 672866), (4769, 354140), (5020, 336433), (9538, 177070), (17707, 95380), (19076, 88535), (23845, 70828), (35414, 47690)]