140553420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{334651}}^1$

素因数の和:334670

約数の個数: 48

約数和(自身を含む): 449772288

約数和(自身を除く): 309218868

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, 334651, 669302, 1003953, 1338604, 1673255, 2007906, 2342557, 3346510, 4015812, 4685114, 5019765, 6693020, 7027671, 9370228, 10039530, 11712785, 14055342, 20079060, 23425570, 28110684, 35138355, 46851140, 70276710, 140553420]

約数ペア:

[(1, 140553420), (2, 70276710), (3, 46851140), (4, 35138355), (5, 28110684), (6, 23425570), (7, 20079060), (10, 14055342), (12, 11712785), (14, 10039530), (15, 9370228), (20, 7027671), (21, 6693020), (28, 5019765), (30, 4685114), (35, 4015812), (42, 3346510), (60, 2342557), (70, 2007906), (84, 1673255), (105, 1338604), (140, 1003953), (210, 669302), (420, 334651)]