64231900

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{4621}}^1$

素因数の和:4774

約数の個数: 36

約数和(自身を含む): 140416360

約数和(自身を除く): 76184460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 2780, 3475, 4621, 6950, 9242, 13900, 18484, 23105, 46210, 92420, 115525, 231050, 462100, 642319, 1284638, 2569276, 3211595, 6423190, 12846380, 16057975, 32115950, 64231900]

約数ペア:

[(1, 64231900), (2, 32115950), (4, 16057975), (5, 12846380), (10, 6423190), (20, 3211595), (25, 2569276), (50, 1284638), (100, 642319), (139, 462100), (278, 231050), (556, 115525), (695, 92420), (1390, 46210), (2780, 23105), (3475, 18484), (4621, 13900), (6950, 9242)]