199440220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1424573}}^1$

素因数の和:1424589

約数の個数: 24

約数和(自身を含む): 478656864

約数和(自身を除く): 279216644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1424573, 2849146, 5698292, 7122865, 9972011, 14245730, 19944022, 28491460, 39888044, 49860055, 99720110, 199440220]

約数ペア:

[(1, 199440220), (2, 99720110), (4, 49860055), (5, 39888044), (7, 28491460), (10, 19944022), (14, 14245730), (20, 9972011), (28, 7122865), (35, 5698292), (70, 2849146), (140, 1424573)]