208508740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{283}}^1$

素因数の和:517

約数の個数: 96

約数和(自身を含む): 510136704

約数和(自身を除く): 301627964

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 197, 220, 283, 340, 374, 394, 566, 748, 788, 935, 985, 1132, 1415, 1870, 1970, 2167, 2830, 3113, 3349, 3740, 3940, 4334, 4811, 5660, 6226, 6698, 8668, 9622, 10835, 12452, 13396, 15565, 16745, 19244, 21670, 24055, 31130, 33490, 36839, 43340, 48110, 52921, 55751, 62260, 66980, 73678, 96220, 105842, 111502, 147356, 184195, 211684, 223004, 264605, 278755, 368390, 529210, 557510, 613261, 736780, 947767, 1058420, 1115020, 1226522, 1895534, 2453044, 3066305, 3791068, 4738835, 6132610, 9477670, 10425437, 12265220, 18955340, 20850874, 41701748, 52127185, 104254370, 208508740]

約数ペア:

[(1, 208508740), (2, 104254370), (4, 52127185), (5, 41701748), (10, 20850874), (11, 18955340), (17, 12265220), (20, 10425437), (22, 9477670), (34, 6132610), (44, 4738835), (55, 3791068), (68, 3066305), (85, 2453044), (110, 1895534), (170, 1226522), (187, 1115020), (197, 1058420), (220, 947767), (283, 736780), (340, 613261), (374, 557510), (394, 529210), (566, 368390), (748, 278755), (788, 264605), (935, 223004), (985, 211684), (1132, 184195), (1415, 147356), (1870, 111502), (1970, 105842), (2167, 96220), (2830, 73678), (3113, 66980), (3349, 62260), (3740, 55751), (3940, 52921), (4334, 48110), (4811, 43340), (5660, 36839), (6226, 33490), (6698, 31130), (8668, 24055), (9622, 21670), (10835, 19244), (12452, 16745), (13396, 15565)]