77788340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{8293}}^1$

素因数の和:8376

約数の個数: 48

約数和(自身を含む): 189501312

約数和(自身を除く): 111712972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 8293, 9380, 16586, 33172, 41465, 58051, 82930, 116102, 165860, 232204, 290255, 555631, 580510, 1111262, 1161020, 2222524, 2778155, 3889417, 5556310, 7778834, 11112620, 15557668, 19447085, 38894170, 77788340]

約数ペア:

[(1, 77788340), (2, 38894170), (4, 19447085), (5, 15557668), (7, 11112620), (10, 7778834), (14, 5556310), (20, 3889417), (28, 2778155), (35, 2222524), (67, 1161020), (70, 1111262), (134, 580510), (140, 555631), (268, 290255), (335, 232204), (469, 165860), (670, 116102), (938, 82930), (1340, 58051), (1876, 41465), (2345, 33172), (4690, 16586), (8293, 9380)]