2490147380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17786767}}^1$

素因数の和:17786783

約数の個数: 24

約数和(自身を含む): 5976354048

約数和(自身を除く): 3486206668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 17786767, 35573534, 71147068, 88933835, 124507369, 177867670, 249014738, 355735340, 498029476, 622536845, 1245073690, 2490147380]

約数ペア:

[(1, 2490147380), (2, 1245073690), (4, 622536845), (5, 498029476), (7, 355735340), (10, 249014738), (14, 177867670), (20, 124507369), (28, 88933835), (35, 71147068), (70, 35573534), (140, 17786767)]