319798640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{571069}}^1$

素因数の和:571089

約数の個数: 40

約数和(自身を含む): 849752160

約数和(自身を除く): 529953520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 571069, 1142138, 2284276, 2855345, 3997483, 4568552, 5710690, 7994966, 9137104, 11421380, 15989932, 19987415, 22842760, 31979864, 39974830, 45685520, 63959728, 79949660, 159899320, 319798640]

約数ペア:

[(1, 319798640), (2, 159899320), (4, 79949660), (5, 63959728), (7, 45685520), (8, 39974830), (10, 31979864), (14, 22842760), (16, 19987415), (20, 15989932), (28, 11421380), (35, 9137104), (40, 7994966), (56, 5710690), (70, 4568552), (80, 3997483), (112, 2855345), (140, 2284276), (280, 1142138), (560, 571069)]