277294220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1980673}}^1$

素因数の和:1980689

約数の個数: 24

約数和(自身を含む): 665506464

約数和(自身を除く): 388212244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1980673, 3961346, 7922692, 9903365, 13864711, 19806730, 27729422, 39613460, 55458844, 69323555, 138647110, 277294220]

約数ペア:

[(1, 277294220), (2, 138647110), (4, 69323555), (5, 55458844), (7, 39613460), (10, 27729422), (14, 19806730), (20, 13864711), (28, 9903365), (35, 7922692), (70, 3961346), (140, 1980673)]