405867140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2899051}}^1$

素因数の和:2899067

約数の個数: 24

約数和(自身を含む): 974081472

約数和(自身を除く): 568214332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2899051, 5798102, 11596204, 14495255, 20293357, 28990510, 40586714, 57981020, 81173428, 101466785, 202933570, 405867140]

約数ペア:

[(1, 405867140), (2, 202933570), (4, 101466785), (5, 81173428), (7, 57981020), (10, 40586714), (14, 28990510), (20, 20293357), (28, 14495255), (35, 11596204), (70, 5798102), (140, 2899051)]