123403160

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{6871}}^1$

素因数の和:7331

約数の個数: 32

約数和(自身を含む): 278316000

約数和(自身を除く): 154912840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1796, 2245, 3592, 4490, 6871, 8980, 13742, 17960, 27484, 34355, 54968, 68710, 137420, 274840, 3085079, 6170158, 12340316, 15425395, 24680632, 30850790, 61701580, 123403160]

約数ペア:

[(1, 123403160), (2, 61701580), (4, 30850790), (5, 24680632), (8, 15425395), (10, 12340316), (20, 6170158), (40, 3085079), (449, 274840), (898, 137420), (1796, 68710), (2245, 54968), (3592, 34355), (4490, 27484), (6871, 17960), (8980, 13742)]