8423240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:534

約数の個数: 64

約数和(自身を含む): 22032000

約数和(自身を除く): 13608760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 449, 469, 536, 670, 898, 938, 1340, 1796, 1876, 2245, 2345, 2680, 3143, 3592, 3752, 4490, 4690, 6286, 8980, 9380, 12572, 15715, 17960, 18760, 25144, 30083, 31430, 60166, 62860, 120332, 125720, 150415, 210581, 240664, 300830, 421162, 601660, 842324, 1052905, 1203320, 1684648, 2105810, 4211620, 8423240]

約数ペア:

[(1, 8423240), (2, 4211620), (4, 2105810), (5, 1684648), (7, 1203320), (8, 1052905), (10, 842324), (14, 601660), (20, 421162), (28, 300830), (35, 240664), (40, 210581), (56, 150415), (67, 125720), (70, 120332), (134, 62860), (140, 60166), (268, 31430), (280, 30083), (335, 25144), (449, 18760), (469, 17960), (536, 15715), (670, 12572), (898, 9380), (938, 8980), (1340, 6286), (1796, 4690), (1876, 4490), (2245, 3752), (2345, 3592), (2680, 3143)]