199424980

素因数分解:

$2^2\times 5^1\times {\mathrm{2647}}^1\times {\mathrm{3767}}^1$

素因数の和:6423

約数の個数: 24

約数和(自身を含む): 419061888

約数和(自身を除く): 219636908

約数列:

[1, 2, 4, 5, 10, 20, 2647, 3767, 5294, 7534, 10588, 13235, 15068, 18835, 26470, 37670, 52940, 75340, 9971249, 19942498, 39884996, 49856245, 99712490, 199424980]

約数ペア:

[(1, 199424980), (2, 99712490), (4, 49856245), (5, 39884996), (10, 19942498), (20, 9971249), (2647, 75340), (3767, 52940), (5294, 37670), (7534, 26470), (10588, 18835), (13235, 15068)]