822920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2939}}^1$

素因数の和:2957

約数の個数: 32

約数和(自身を含む): 2116800

約数和(自身を除く): 1293880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2939, 5878, 11756, 14695, 20573, 23512, 29390, 41146, 58780, 82292, 102865, 117560, 164584, 205730, 411460, 822920]

約数ペア:

[(1, 822920), (2, 411460), (4, 205730), (5, 164584), (7, 117560), (8, 102865), (10, 82292), (14, 58780), (20, 41146), (28, 29390), (35, 23512), (40, 20573), (56, 14695), (70, 11756), (140, 5878), (280, 2939)]