12935020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 32232816

約数和(自身を除く): 19297796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 197, 245, 268, 335, 394, 469, 490, 670, 788, 938, 980, 985, 1340, 1379, 1876, 1970, 2345, 2758, 3283, 3940, 4690, 5516, 6566, 6895, 9380, 9653, 13132, 13199, 13790, 16415, 19306, 26398, 27580, 32830, 38612, 48265, 52796, 65660, 65995, 92393, 96530, 131990, 184786, 193060, 263980, 369572, 461965, 646751, 923930, 1293502, 1847860, 2587004, 3233755, 6467510, 12935020]

約数ペア:

[(1, 12935020), (2, 6467510), (4, 3233755), (5, 2587004), (7, 1847860), (10, 1293502), (14, 923930), (20, 646751), (28, 461965), (35, 369572), (49, 263980), (67, 193060), (70, 184786), (98, 131990), (134, 96530), (140, 92393), (196, 65995), (197, 65660), (245, 52796), (268, 48265), (335, 38612), (394, 32830), (469, 27580), (490, 26398), (670, 19306), (788, 16415), (938, 13790), (980, 13199), (985, 13132), (1340, 9653), (1379, 9380), (1876, 6895), (1970, 6566), (2345, 5516), (2758, 4690), (3283, 3940)]