740620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1949}}^1$

素因数の和:1977

約数の個数: 24

約数和(自身を含む): 1638000

約数和(自身を除く): 897380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1949, 3898, 7796, 9745, 19490, 37031, 38980, 74062, 148124, 185155, 370310, 740620]

約数ペア:

[(1, 740620), (2, 370310), (4, 185155), (5, 148124), (10, 74062), (19, 38980), (20, 37031), (38, 19490), (76, 9745), (95, 7796), (190, 3898), (380, 1949)]