208164900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:454

約数の個数: 144

約数和(自身を含む): 633709440

約数和(自身を除く): 425544540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 50, 58, 60, 71, 75, 87, 100, 116, 142, 145, 150, 174, 213, 284, 290, 300, 337, 348, 355, 426, 435, 580, 674, 710, 725, 852, 870, 1011, 1065, 1348, 1420, 1450, 1685, 1740, 1775, 2022, 2059, 2130, 2175, 2900, 3370, 3550, 4044, 4118, 4260, 4350, 5055, 5325, 6177, 6740, 7100, 8236, 8425, 8700, 9773, 10110, 10295, 10650, 12354, 16850, 19546, 20220, 20590, 21300, 23927, 24708, 25275, 29319, 30885, 33700, 39092, 41180, 47854, 48865, 50550, 51475, 58638, 61770, 71781, 95708, 97730, 101100, 102950, 117276, 119635, 123540, 143562, 146595, 154425, 195460, 205900, 239270, 244325, 287124, 293190, 308850, 358905, 478540, 488650, 586380, 598175, 617700, 693883, 717810, 732975, 977300, 1196350, 1387766, 1435620, 1465950, 1794525, 2081649, 2392700, 2775532, 2931900, 3469415, 3589050, 4163298, 6938830, 7178100, 8326596, 10408245, 13877660, 17347075, 20816490, 34694150, 41632980, 52041225, 69388300, 104082450, 208164900]

約数ペア:

[(1, 208164900), (2, 104082450), (3, 69388300), (4, 52041225), (5, 41632980), (6, 34694150), (10, 20816490), (12, 17347075), (15, 13877660), (20, 10408245), (25, 8326596), (29, 7178100), (30, 6938830), (50, 4163298), (58, 3589050), (60, 3469415), (71, 2931900), (75, 2775532), (87, 2392700), (100, 2081649), (116, 1794525), (142, 1465950), (145, 1435620), (150, 1387766), (174, 1196350), (213, 977300), (284, 732975), (290, 717810), (300, 693883), (337, 617700), (348, 598175), (355, 586380), (426, 488650), (435, 478540), (580, 358905), (674, 308850), (710, 293190), (725, 287124), (852, 244325), (870, 239270), (1011, 205900), (1065, 195460), (1348, 154425), (1420, 146595), (1450, 143562), (1685, 123540), (1740, 119635), (1775, 117276), (2022, 102950), (2059, 101100), (2130, 97730), (2175, 95708), (2900, 71781), (3370, 61770), (3550, 58638), (4044, 51475), (4118, 50550), (4260, 48865), (4350, 47854), (5055, 41180), (5325, 39092), (6177, 33700), (6740, 30885), (7100, 29319), (8236, 25275), (8425, 24708), (8700, 23927), (9773, 21300), (10110, 20590), (10295, 20220), (10650, 19546), (12354, 16850)]