49495880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{25253}}^1$

素因数の和:25278

約数の個数: 48

約数和(自身を含む): 129553020

約数和(自身を除く): 80057140

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 25253, 50506, 101012, 126265, 176771, 202024, 252530, 353542, 505060, 707084, 883855, 1010120, 1237397, 1414168, 1767710, 2474794, 3535420, 4949588, 6186985, 7070840, 9899176, 12373970, 24747940, 49495880]

約数ペア:

[(1, 49495880), (2, 24747940), (4, 12373970), (5, 9899176), (7, 7070840), (8, 6186985), (10, 4949588), (14, 3535420), (20, 2474794), (28, 1767710), (35, 1414168), (40, 1237397), (49, 1010120), (56, 883855), (70, 707084), (98, 505060), (140, 353542), (196, 252530), (245, 202024), (280, 176771), (392, 126265), (490, 101012), (980, 50506), (1960, 25253)]