1390420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3659}}^1$

素因数の和:3687

約数の個数: 24

約数和(自身を含む): 3074400

約数和(自身を除く): 1683980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 3659, 7318, 14636, 18295, 36590, 69521, 73180, 139042, 278084, 347605, 695210, 1390420]

約数ペア:

[(1, 1390420), (2, 695210), (4, 347605), (5, 278084), (10, 139042), (19, 73180), (20, 69521), (38, 36590), (76, 18295), (95, 14636), (190, 7318), (380, 3659)]