207938500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{491}}^1$

素因数の和:539

約数の個数: 144

約数和(自身を含む): 571648896

約数和(自身を除く): 363710396

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 121, 125, 140, 154, 175, 220, 242, 250, 275, 308, 350, 385, 484, 491, 500, 550, 605, 700, 770, 847, 875, 982, 1100, 1210, 1375, 1540, 1694, 1750, 1925, 1964, 2420, 2455, 2750, 3025, 3388, 3437, 3500, 3850, 4235, 4910, 5401, 5500, 6050, 6874, 7700, 8470, 9625, 9820, 10802, 12100, 12275, 13748, 15125, 16940, 17185, 19250, 21175, 21604, 24550, 27005, 30250, 34370, 37807, 38500, 42350, 49100, 54010, 59411, 60500, 61375, 68740, 75614, 84700, 85925, 105875, 108020, 118822, 122750, 135025, 151228, 171850, 189035, 211750, 237644, 245500, 270050, 297055, 343700, 378070, 415877, 423500, 429625, 540100, 594110, 675125, 756140, 831754, 859250, 945175, 1188220, 1350250, 1485275, 1663508, 1718500, 1890350, 2079385, 2700500, 2970550, 3780700, 4158770, 4725875, 5941100, 7426375, 8317540, 9451750, 10396925, 14852750, 18903500, 20793850, 29705500, 41587700, 51984625, 103969250, 207938500]

約数ペア:

[(1, 207938500), (2, 103969250), (4, 51984625), (5, 41587700), (7, 29705500), (10, 20793850), (11, 18903500), (14, 14852750), (20, 10396925), (22, 9451750), (25, 8317540), (28, 7426375), (35, 5941100), (44, 4725875), (50, 4158770), (55, 3780700), (70, 2970550), (77, 2700500), (100, 2079385), (110, 1890350), (121, 1718500), (125, 1663508), (140, 1485275), (154, 1350250), (175, 1188220), (220, 945175), (242, 859250), (250, 831754), (275, 756140), (308, 675125), (350, 594110), (385, 540100), (484, 429625), (491, 423500), (500, 415877), (550, 378070), (605, 343700), (700, 297055), (770, 270050), (847, 245500), (875, 237644), (982, 211750), (1100, 189035), (1210, 171850), (1375, 151228), (1540, 135025), (1694, 122750), (1750, 118822), (1925, 108020), (1964, 105875), (2420, 85925), (2455, 84700), (2750, 75614), (3025, 68740), (3388, 61375), (3437, 60500), (3500, 59411), (3850, 54010), (4235, 49100), (4910, 42350), (5401, 38500), (5500, 37807), (6050, 34370), (6874, 30250), (7700, 27005), (8470, 24550), (9625, 21604), (9820, 21175), (10802, 19250), (12100, 17185), (12275, 16940), (13748, 15125)]