245239260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{583903}}^1$

素因数の和:583922

約数の個数: 48

約数和(自身を含む): 784766976

約数和(自身を除く): 539527716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 583903, 1167806, 1751709, 2335612, 2919515, 3503418, 4087321, 5839030, 7006836, 8174642, 8758545, 11678060, 12261963, 16349284, 17517090, 20436605, 24523926, 35034180, 40873210, 49047852, 61309815, 81746420, 122619630, 245239260]

約数ペア:

[(1, 245239260), (2, 122619630), (3, 81746420), (4, 61309815), (5, 49047852), (6, 40873210), (7, 35034180), (10, 24523926), (12, 20436605), (14, 17517090), (15, 16349284), (20, 12261963), (21, 11678060), (28, 8758545), (30, 8174642), (35, 7006836), (42, 5839030), (60, 4087321), (70, 3503418), (84, 2919515), (105, 2335612), (140, 1751709), (210, 1167806), (420, 583903)]