68683720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{245299}}^1$

素因数の和:245317

約数の個数: 32

約数和(自身を含む): 176616000

約数和(自身を除く): 107932280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 245299, 490598, 981196, 1226495, 1717093, 1962392, 2452990, 3434186, 4905980, 6868372, 8585465, 9811960, 13736744, 17170930, 34341860, 68683720]

約数ペア:

[(1, 68683720), (2, 34341860), (4, 17170930), (5, 13736744), (7, 9811960), (8, 8585465), (10, 6868372), (14, 4905980), (20, 3434186), (28, 2452990), (35, 1962392), (40, 1717093), (56, 1226495), (70, 981196), (140, 490598), (280, 245299)]