277625140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1067789}}^1$

素因数の和:1067811

約数の個数: 24

約数和(自身を含む): 627860520

約数和(自身を除く): 350235380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1067789, 2135578, 4271156, 5338945, 10677890, 13881257, 21355780, 27762514, 55525028, 69406285, 138812570, 277625140]

約数ペア:

[(1, 277625140), (2, 138812570), (4, 69406285), (5, 55525028), (10, 27762514), (13, 21355780), (20, 13881257), (26, 10677890), (52, 5338945), (65, 4271156), (130, 2135578), (260, 1067789)]