256673060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{8689}}^1$

素因数の和:8916

約数の個数: 48

約数和(自身を含む): 619006080

約数和(自身を除く): 362333020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1477, 2110, 2954, 4220, 5908, 7385, 8689, 14770, 17378, 29540, 34756, 43445, 60823, 86890, 121646, 173780, 243292, 304115, 608230, 1216460, 1833379, 3666758, 7333516, 9166895, 12833653, 18333790, 25667306, 36667580, 51334612, 64168265, 128336530, 256673060]

約数ペア:

[(1, 256673060), (2, 128336530), (4, 64168265), (5, 51334612), (7, 36667580), (10, 25667306), (14, 18333790), (20, 12833653), (28, 9166895), (35, 7333516), (70, 3666758), (140, 1833379), (211, 1216460), (422, 608230), (844, 304115), (1055, 243292), (1477, 173780), (2110, 121646), (2954, 86890), (4220, 60823), (5908, 43445), (7385, 34756), (8689, 29540), (14770, 17378)]