297913840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{531989}}^1$

素因数の和:532009

約数の個数: 40

約数和(自身を含む): 791601120

約数和(自身を除く): 493687280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 531989, 1063978, 2127956, 2659945, 3723923, 4255912, 5319890, 7447846, 8511824, 10639780, 14895692, 18619615, 21279560, 29791384, 37239230, 42559120, 59582768, 74478460, 148956920, 297913840]

約数ペア:

[(1, 297913840), (2, 148956920), (4, 74478460), (5, 59582768), (7, 42559120), (8, 37239230), (10, 29791384), (14, 21279560), (16, 18619615), (20, 14895692), (28, 10639780), (35, 8511824), (40, 7447846), (56, 5319890), (70, 4255912), (80, 3723923), (112, 2659945), (140, 2127956), (280, 1063978), (560, 531989)]