409842890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{6857}}^1$

素因数の和:7046

約数の個数: 32

約数和(自身を含む): 760415040

約数和(自身を除く): 350572150

約数列:

[1, 2, 5, 10, 43, 86, 139, 215, 278, 430, 695, 1390, 5977, 6857, 11954, 13714, 29885, 34285, 59770, 68570, 294851, 589702, 953123, 1474255, 1906246, 2948510, 4765615, 9531230, 40984289, 81968578, 204921445, 409842890]

約数ペア:

[(1, 409842890), (2, 204921445), (5, 81968578), (10, 40984289), (43, 9531230), (86, 4765615), (139, 2948510), (215, 1906246), (278, 1474255), (430, 953123), (695, 589702), (1390, 294851), (5977, 68570), (6857, 59770), (11954, 34285), (13714, 29885)]