899886380

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{671557}}^1$

素因数の和:671633

約数の個数: 24

約数和(自身を含む): 1917969648

約数和(自身を除く): 1018083268

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 671557, 1343114, 2686228, 3357785, 6715570, 13431140, 44994319, 89988638, 179977276, 224971595, 449943190, 899886380]

約数ペア:

[(1, 899886380), (2, 449943190), (4, 224971595), (5, 179977276), (10, 89988638), (20, 44994319), (67, 13431140), (134, 6715570), (268, 3357785), (335, 2686228), (670, 1343114), (1340, 671557)]