198340520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{708359}}^1$

素因数の和:708377

約数の個数: 32

約数和(自身を含む): 510019200

約数和(自身を除く): 311678680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 708359, 1416718, 2833436, 3541795, 4958513, 5666872, 7083590, 9917026, 14167180, 19834052, 24792565, 28334360, 39668104, 49585130, 99170260, 198340520]

約数ペア:

[(1, 198340520), (2, 99170260), (4, 49585130), (5, 39668104), (7, 28334360), (8, 24792565), (10, 19834052), (14, 14167180), (20, 9917026), (28, 7083590), (35, 5666872), (40, 4958513), (56, 3541795), (70, 2833436), (140, 1416718), (280, 708359)]