129340820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{13789}}^1$

素因数の和:13872

約数の個数: 48

約数和(自身を含む): 315073920

約数和(自身を除く): 185733100

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, 9380, 13789, 27578, 55156, 68945, 96523, 137890, 193046, 275780, 386092, 482615, 923863, 965230, 1847726, 1930460, 3695452, 4619315, 6467041, 9238630, 12934082, 18477260, 25868164, 32335205, 64670410, 129340820]

約数ペア:

[(1, 129340820), (2, 64670410), (4, 32335205), (5, 25868164), (7, 18477260), (10, 12934082), (14, 9238630), (20, 6467041), (28, 4619315), (35, 3695452), (67, 1930460), (70, 1847726), (134, 965230), (140, 923863), (268, 482615), (335, 386092), (469, 275780), (670, 193046), (938, 137890), (1340, 96523), (1876, 68945), (2345, 55156), (4690, 27578), (9380, 13789)]