208040840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{3083}}^1$

素因数の和:3342

約数の個数: 64

約数和(自身を含む): 537356160

約数和(自身を除く): 329315320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 241, 280, 482, 964, 1205, 1687, 1928, 2410, 3083, 3374, 4820, 6166, 6748, 8435, 9640, 12332, 13496, 15415, 16870, 21581, 24664, 30830, 33740, 43162, 61660, 67480, 86324, 107905, 123320, 172648, 215810, 431620, 743003, 863240, 1486006, 2972012, 3715015, 5201021, 5944024, 7430030, 10402042, 14860060, 20804084, 26005105, 29720120, 41608168, 52010210, 104020420, 208040840]

約数ペア:

[(1, 208040840), (2, 104020420), (4, 52010210), (5, 41608168), (7, 29720120), (8, 26005105), (10, 20804084), (14, 14860060), (20, 10402042), (28, 7430030), (35, 5944024), (40, 5201021), (56, 3715015), (70, 2972012), (140, 1486006), (241, 863240), (280, 743003), (482, 431620), (964, 215810), (1205, 172648), (1687, 123320), (1928, 107905), (2410, 86324), (3083, 67480), (3374, 61660), (4820, 43162), (6166, 33740), (6748, 30830), (8435, 24664), (9640, 21581), (12332, 16870), (13496, 15415)]