823398520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2940709}}^1$

素因数の和:2940727

約数の個数: 32

約数和(自身を含む): 2117311200

約数和(自身を除く): 1293912680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2940709, 5881418, 11762836, 14703545, 20584963, 23525672, 29407090, 41169926, 58814180, 82339852, 102924815, 117628360, 164679704, 205849630, 411699260, 823398520]

約数ペア:

[(1, 823398520), (2, 411699260), (4, 205849630), (5, 164679704), (7, 117628360), (8, 102924815), (10, 82339852), (14, 58814180), (20, 41169926), (28, 29407090), (35, 23525672), (40, 20584963), (56, 14703545), (70, 11762836), (140, 5881418), (280, 2940709)]