61407220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{438623}}^1$

素因数の和:438639

約数の個数: 24

約数和(自身を含む): 147377664

約数和(自身を除く): 85970444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 438623, 877246, 1754492, 2193115, 3070361, 4386230, 6140722, 8772460, 12281444, 15351805, 30703610, 61407220]

約数ペア:

[(1, 61407220), (2, 30703610), (4, 15351805), (5, 12281444), (7, 8772460), (10, 6140722), (14, 4386230), (20, 3070361), (28, 2193115), (35, 1754492), (70, 877246), (140, 438623)]