380964980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1731659}}^1$

素因数の和:1731679

約数の個数: 24

約数和(自身を含む): 872756640

約数和(自身を除く): 491791660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1731659, 3463318, 6926636, 8658295, 17316590, 19048249, 34633180, 38096498, 76192996, 95241245, 190482490, 380964980]

約数ペア:

[(1, 380964980), (2, 190482490), (4, 95241245), (5, 76192996), (10, 38096498), (11, 34633180), (20, 19048249), (22, 17316590), (44, 8658295), (55, 6926636), (110, 3463318), (220, 1731659)]