200721220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1433723}}^1$

素因数の和:1433739

約数の個数: 24

約数和(自身を含む): 481731264

約数和(自身を除く): 281010044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1433723, 2867446, 5734892, 7168615, 10036061, 14337230, 20072122, 28674460, 40144244, 50180305, 100360610, 200721220]

約数ペア:

[(1, 200721220), (2, 100360610), (4, 50180305), (5, 40144244), (7, 28674460), (10, 20072122), (14, 14337230), (20, 10036061), (28, 7168615), (35, 5734892), (70, 2867446), (140, 1433723)]