199979300

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{14387}}^1$

素因数の和:14540

約数の個数: 36

約数和(自身を含む): 437107440

約数和(自身を除く): 237128140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 2780, 3475, 6950, 13900, 14387, 28774, 57548, 71935, 143870, 287740, 359675, 719350, 1438700, 1999793, 3999586, 7999172, 9998965, 19997930, 39995860, 49994825, 99989650, 199979300]

約数ペア:

[(1, 199979300), (2, 99989650), (4, 49994825), (5, 39995860), (10, 19997930), (20, 9998965), (25, 7999172), (50, 3999586), (100, 1999793), (139, 1438700), (278, 719350), (556, 359675), (695, 287740), (1390, 143870), (2780, 71935), (3475, 57548), (6950, 28774), (13900, 14387)]