206719590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{821}}^1$

素因数の和:958

約数の個数: 128

約数和(自身を含む): 624983040

約数和(自身を除く): 418263450

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 109, 110, 154, 165, 210, 218, 231, 327, 330, 385, 462, 545, 654, 763, 770, 821, 1090, 1155, 1199, 1526, 1635, 1642, 2289, 2310, 2398, 2463, 3270, 3597, 3815, 4105, 4578, 4926, 5747, 5995, 7194, 7630, 8210, 8393, 9031, 11445, 11494, 11990, 12315, 16786, 17241, 17985, 18062, 22890, 24630, 25179, 27093, 28735, 34482, 35970, 41965, 45155, 50358, 54186, 57470, 63217, 83930, 86205, 89489, 90310, 125895, 126434, 135465, 172410, 178978, 189651, 251790, 268467, 270930, 316085, 379302, 447445, 536934, 626423, 632170, 894890, 948255, 984379, 1252846, 1342335, 1879269, 1896510, 1968758, 2684670, 2953137, 3132115, 3758538, 4921895, 5906274, 6264230, 6890653, 9396345, 9843790, 13781306, 14765685, 18792690, 20671959, 29531370, 34453265, 41343918, 68906530, 103359795, 206719590]

約数ペア:

[(1, 206719590), (2, 103359795), (3, 68906530), (5, 41343918), (6, 34453265), (7, 29531370), (10, 20671959), (11, 18792690), (14, 14765685), (15, 13781306), (21, 9843790), (22, 9396345), (30, 6890653), (33, 6264230), (35, 5906274), (42, 4921895), (55, 3758538), (66, 3132115), (70, 2953137), (77, 2684670), (105, 1968758), (109, 1896510), (110, 1879269), (154, 1342335), (165, 1252846), (210, 984379), (218, 948255), (231, 894890), (327, 632170), (330, 626423), (385, 536934), (462, 447445), (545, 379302), (654, 316085), (763, 270930), (770, 268467), (821, 251790), (1090, 189651), (1155, 178978), (1199, 172410), (1526, 135465), (1635, 126434), (1642, 125895), (2289, 90310), (2310, 89489), (2398, 86205), (2463, 83930), (3270, 63217), (3597, 57470), (3815, 54186), (4105, 50358), (4578, 45155), (4926, 41965), (5747, 35970), (5995, 34482), (7194, 28735), (7630, 27093), (8210, 25179), (8393, 24630), (9031, 22890), (11445, 18062), (11494, 17985), (11990, 17241), (12315, 16786)]