388082540

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{70051}}^1$

素因数の和:70337

約数の個数: 24

約数和(自身を含む): 817927152

約数和(自身を除く): 429844612

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 70051, 140102, 280204, 350255, 700510, 1401020, 19404127, 38808254, 77616508, 97020635, 194041270, 388082540]

約数ペア:

[(1, 388082540), (2, 194041270), (4, 97020635), (5, 77616508), (10, 38808254), (20, 19404127), (277, 1401020), (554, 700510), (1108, 350255), (1385, 280204), (2770, 140102), (5540, 70051)]