131036180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8389}}^1$

素因数の和:8480

約数の個数: 48

約数和(自身を含む): 304456320

約数和(自身を除く): 173420140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 7810, 8389, 15620, 16778, 33556, 41945, 83890, 92279, 167780, 184558, 369116, 461395, 595619, 922790, 1191238, 1845580, 2382476, 2978095, 5956190, 6551809, 11912380, 13103618, 26207236, 32759045, 65518090, 131036180]

約数ペア:

[(1, 131036180), (2, 65518090), (4, 32759045), (5, 26207236), (10, 13103618), (11, 11912380), (20, 6551809), (22, 5956190), (44, 2978095), (55, 2382476), (71, 1845580), (110, 1191238), (142, 922790), (220, 595619), (284, 461395), (355, 369116), (710, 184558), (781, 167780), (1420, 92279), (1562, 83890), (3124, 41945), (3905, 33556), (7810, 16778), (8389, 15620)]