66123220

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{22189}}^1$

素因数の和:22347

約数の個数: 24

約数和(自身を含む): 139797000

約数和(自身を除く): 73673780

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 22189, 44378, 88756, 110945, 221890, 443780, 3306161, 6612322, 13224644, 16530805, 33061610, 66123220]

約数ペア:

[(1, 66123220), (2, 33061610), (4, 16530805), (5, 13224644), (10, 6612322), (20, 3306161), (149, 443780), (298, 221890), (596, 110945), (745, 88756), (1490, 44378), (2980, 22189)]