397433540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{5689}}^1$

素因数の和:6204

約数の個数: 48

約数和(自身を含む): 955920000

約数和(自身を除く): 558486460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 499, 998, 1996, 2495, 3493, 4990, 5689, 6986, 9980, 11378, 13972, 17465, 22756, 28445, 34930, 39823, 56890, 69860, 79646, 113780, 159292, 199115, 398230, 796460, 2838811, 5677622, 11355244, 14194055, 19871677, 28388110, 39743354, 56776220, 79486708, 99358385, 198716770, 397433540]

約数ペア:

[(1, 397433540), (2, 198716770), (4, 99358385), (5, 79486708), (7, 56776220), (10, 39743354), (14, 28388110), (20, 19871677), (28, 14194055), (35, 11355244), (70, 5677622), (140, 2838811), (499, 796460), (998, 398230), (1996, 199115), (2495, 159292), (3493, 113780), (4990, 79646), (5689, 69860), (6986, 56890), (9980, 39823), (11378, 34930), (13972, 28445), (17465, 22756)]