199030840

素因数分解:

$2^3\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{4789}}^1$

素因数の和:5839

約数の個数: 32

約数和(自身を含む): 448344000

約数和(自身を除く): 249313160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1039, 2078, 4156, 4789, 5195, 8312, 9578, 10390, 19156, 20780, 23945, 38312, 41560, 47890, 95780, 191560, 4975771, 9951542, 19903084, 24878855, 39806168, 49757710, 99515420, 199030840]

約数ペア:

[(1, 199030840), (2, 99515420), (4, 49757710), (5, 39806168), (8, 24878855), (10, 19903084), (20, 9951542), (40, 4975771), (1039, 191560), (2078, 95780), (4156, 47890), (4789, 41560), (5195, 38312), (8312, 23945), (9578, 20780), (10390, 19156)]