209570220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{617}}^1$

素因数の和:689

約数の個数: 192

約数和(自身を含む): 710156160

約数和(自身を除く): 500585940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 37, 45, 51, 54, 60, 68, 74, 85, 90, 102, 108, 111, 135, 148, 153, 170, 180, 185, 204, 222, 255, 270, 306, 333, 340, 370, 444, 459, 510, 540, 555, 612, 617, 629, 666, 740, 765, 918, 999, 1020, 1110, 1234, 1258, 1332, 1530, 1665, 1836, 1851, 1887, 1998, 2220, 2295, 2468, 2516, 3060, 3085, 3145, 3330, 3702, 3774, 3996, 4590, 4995, 5553, 5661, 6170, 6290, 6660, 7404, 7548, 9180, 9255, 9435, 9990, 10489, 11106, 11322, 12340, 12580, 16659, 16983, 18510, 18870, 19980, 20978, 22212, 22644, 22829, 27765, 28305, 31467, 33318, 33966, 37020, 37740, 41956, 45658, 52445, 55530, 56610, 62934, 66636, 67932, 68487, 83295, 84915, 91316, 94401, 104890, 111060, 113220, 114145, 125868, 136974, 157335, 166590, 169830, 188802, 205461, 209780, 228290, 273948, 283203, 314670, 333180, 339660, 342435, 377604, 388093, 410922, 456580, 472005, 566406, 616383, 629340, 684870, 776186, 821844, 944010, 1027305, 1132812, 1164279, 1232766, 1369740, 1416015, 1552372, 1888020, 1940465, 2054610, 2328558, 2465532, 2832030, 3081915, 3492837, 3880930, 4109220, 4657116, 5664060, 5821395, 6163830, 6985674, 7761860, 10478511, 11642790, 12327660, 13971348, 17464185, 20957022, 23285580, 34928370, 41914044, 52392555, 69856740, 104785110, 209570220]

約数ペア:

[(1, 209570220), (2, 104785110), (3, 69856740), (4, 52392555), (5, 41914044), (6, 34928370), (9, 23285580), (10, 20957022), (12, 17464185), (15, 13971348), (17, 12327660), (18, 11642790), (20, 10478511), (27, 7761860), (30, 6985674), (34, 6163830), (36, 5821395), (37, 5664060), (45, 4657116), (51, 4109220), (54, 3880930), (60, 3492837), (68, 3081915), (74, 2832030), (85, 2465532), (90, 2328558), (102, 2054610), (108, 1940465), (111, 1888020), (135, 1552372), (148, 1416015), (153, 1369740), (170, 1232766), (180, 1164279), (185, 1132812), (204, 1027305), (222, 944010), (255, 821844), (270, 776186), (306, 684870), (333, 629340), (340, 616383), (370, 566406), (444, 472005), (459, 456580), (510, 410922), (540, 388093), (555, 377604), (612, 342435), (617, 339660), (629, 333180), (666, 314670), (740, 283203), (765, 273948), (918, 228290), (999, 209780), (1020, 205461), (1110, 188802), (1234, 169830), (1258, 166590), (1332, 157335), (1530, 136974), (1665, 125868), (1836, 114145), (1851, 113220), (1887, 111060), (1998, 104890), (2220, 94401), (2295, 91316), (2468, 84915), (2516, 83295), (3060, 68487), (3085, 67932), (3145, 66636), (3330, 62934), (3702, 56610), (3774, 55530), (3996, 52445), (4590, 45658), (4995, 41956), (5553, 37740), (5661, 37020), (6170, 33966), (6290, 33318), (6660, 31467), (7404, 28305), (7548, 27765), (9180, 22829), (9255, 22644), (9435, 22212), (9990, 20978), (10489, 19980), (11106, 18870), (11322, 18510), (12340, 16983), (12580, 16659)]