207840220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1484573}}^1$

素因数の和:1484589

約数の個数: 24

約数和(自身を含む): 498816864

約数和(自身を除く): 290976644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1484573, 2969146, 5938292, 7422865, 10392011, 14845730, 20784022, 29691460, 41568044, 51960055, 103920110, 207840220]

約数ペア:

[(1, 207840220), (2, 103920110), (4, 51960055), (5, 41568044), (7, 29691460), (10, 20784022), (14, 14845730), (20, 10392011), (28, 7422865), (35, 5938292), (70, 2969146), (140, 1484573)]