245238540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{8191}}^1$

素因数の和:8702

約数の個数: 48

約数和(自身を含む): 688128000

約数和(自身を除く): 442889460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 499, 998, 1497, 1996, 2495, 2994, 4990, 5988, 7485, 8191, 9980, 14970, 16382, 24573, 29940, 32764, 40955, 49146, 81910, 98292, 122865, 163820, 245730, 491460, 4087309, 8174618, 12261927, 16349236, 20436545, 24523854, 40873090, 49047708, 61309635, 81746180, 122619270, 245238540]

約数ペア:

[(1, 245238540), (2, 122619270), (3, 81746180), (4, 61309635), (5, 49047708), (6, 40873090), (10, 24523854), (12, 20436545), (15, 16349236), (20, 12261927), (30, 8174618), (60, 4087309), (499, 491460), (998, 245730), (1497, 163820), (1996, 122865), (2495, 98292), (2994, 81910), (4990, 49146), (5988, 40955), (7485, 32764), (8191, 29940), (9980, 24573), (14970, 16382)]