30240742

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 56430000

約数和(自身を除く): 26189258

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 109, 133, 149, 218, 266, 298, 763, 931, 1043, 1526, 1862, 2071, 2086, 2831, 4142, 5341, 5662, 7301, 10682, 14497, 14602, 16241, 19817, 28994, 32482, 39634, 101479, 113687, 138719, 202958, 227374, 277438, 308579, 617158, 795809, 1591618, 2160053, 4320106, 15120371, 30240742]

約数ペア:

[(1, 30240742), (2, 15120371), (7, 4320106), (14, 2160053), (19, 1591618), (38, 795809), (49, 617158), (98, 308579), (109, 277438), (133, 227374), (149, 202958), (218, 138719), (266, 113687), (298, 101479), (763, 39634), (931, 32482), (1043, 28994), (1526, 19817), (1862, 16241), (2071, 14602), (2086, 14497), (2831, 10682), (4142, 7301), (5341, 5662)]