138055820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{986113}}^1$

素因数の和:986129

約数の個数: 24

約数和(自身を含む): 331334304

約数和(自身を除く): 193278484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 986113, 1972226, 3944452, 4930565, 6902791, 9861130, 13805582, 19722260, 27611164, 34513955, 69027910, 138055820]

約数ペア:

[(1, 138055820), (2, 69027910), (4, 34513955), (5, 27611164), (7, 19722260), (10, 13805582), (14, 9861130), (20, 6902791), (28, 4930565), (35, 3944452), (70, 1972226), (140, 986113)]