84780220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{605573}}^1$

素因数の和:605589

約数の個数: 24

約数和(自身を含む): 203472864

約数和(自身を除く): 118692644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 605573, 1211146, 2422292, 3027865, 4239011, 6055730, 8478022, 12111460, 16956044, 21195055, 42390110, 84780220]

約数ペア:

[(1, 84780220), (2, 42390110), (4, 21195055), (5, 16956044), (7, 12111460), (10, 8478022), (14, 6055730), (20, 4239011), (28, 3027865), (35, 2422292), (70, 1211146), (140, 605573)]