137040820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{978863}}^1$

素因数の和:978879

約数の個数: 24

約数和(自身を含む): 328898304

約数和(自身を除く): 191857484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 978863, 1957726, 3915452, 4894315, 6852041, 9788630, 13704082, 19577260, 27408164, 34260205, 68520410, 137040820]

約数ペア:

[(1, 137040820), (2, 68520410), (4, 34260205), (5, 27408164), (7, 19577260), (10, 13704082), (14, 9788630), (20, 6852041), (28, 4894315), (35, 3915452), (70, 1957726), (140, 978863)]