870746180

素因数分解:

$2^2\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{38977}}^1$

素因数の和:40103

約数の個数: 24

約数和(自身を含む): 1830250968

約数和(自身を除く): 959504788

約数列:

[1, 2, 4, 5, 10, 20, 1117, 2234, 4468, 5585, 11170, 22340, 38977, 77954, 155908, 194885, 389770, 779540, 43537309, 87074618, 174149236, 217686545, 435373090, 870746180]

約数ペア:

[(1, 870746180), (2, 435373090), (4, 217686545), (5, 174149236), (10, 87074618), (20, 43537309), (1117, 779540), (2234, 389770), (4468, 194885), (5585, 155908), (11170, 77954), (22340, 38977)]