307420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:837

約数の個数: 24

約数和(自身を含む): 680400

約数和(自身を除く): 372980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 809, 1618, 3236, 4045, 8090, 15371, 16180, 30742, 61484, 76855, 153710, 307420]

約数ペア:

[(1, 307420), (2, 153710), (4, 76855), (5, 61484), (10, 30742), (19, 16180), (20, 15371), (38, 8090), (76, 4045), (95, 3236), (190, 1618), (380, 809)]