164745420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{392251}}^1$

素因数の和:392270

約数の個数: 48

約数和(自身を含む): 527186688

約数和(自身を除く): 362441268

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, 392251, 784502, 1176753, 1569004, 1961255, 2353506, 2745757, 3922510, 4707012, 5491514, 5883765, 7845020, 8237271, 10983028, 11767530, 13728785, 16474542, 23535060, 27457570, 32949084, 41186355, 54915140, 82372710, 164745420]

約数ペア:

[(1, 164745420), (2, 82372710), (3, 54915140), (4, 41186355), (5, 32949084), (6, 27457570), (7, 23535060), (10, 16474542), (12, 13728785), (14, 11767530), (15, 10983028), (20, 8237271), (21, 7845020), (28, 5883765), (30, 5491514), (35, 4707012), (42, 3922510), (60, 2745757), (70, 2353506), (84, 1961255), (105, 1569004), (140, 1176753), (210, 784502), (420, 392251)]