138043220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{986023}}^1$

素因数の和:986039

約数の個数: 24

約数和(自身を含む): 331304064

約数和(自身を除く): 193260844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 986023, 1972046, 3944092, 4930115, 6902161, 9860230, 13804322, 19720460, 27608644, 34510805, 69021610, 138043220]

約数ペア:

[(1, 138043220), (2, 69021610), (4, 34510805), (5, 27608644), (7, 19720460), (10, 13804322), (14, 9860230), (20, 6902161), (28, 4930115), (35, 3944092), (70, 1972046), (140, 986023)]