438888980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1154971}}^1$

素因数の和:1154999

約数の個数: 24

約数和(自身を含む): 970176480

約数和(自身を除く): 531287500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1154971, 2309942, 4619884, 5774855, 11549710, 21944449, 23099420, 43888898, 87777796, 109722245, 219444490, 438888980]

約数ペア:

[(1, 438888980), (2, 219444490), (4, 109722245), (5, 87777796), (10, 43888898), (19, 23099420), (20, 21944449), (38, 11549710), (76, 5774855), (95, 4619884), (190, 2309942), (380, 1154971)]