209081340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:676

約数の個数: 144

約数和(自身を含む): 687960000

約数和(自身を除く): 478878660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 199, 234, 260, 390, 398, 449, 468, 585, 597, 780, 796, 898, 995, 1170, 1194, 1347, 1791, 1796, 1990, 2245, 2340, 2388, 2587, 2694, 2985, 3582, 3980, 4041, 4490, 5174, 5388, 5837, 5970, 6735, 7164, 7761, 8082, 8955, 8980, 10348, 11674, 11940, 12935, 13470, 15522, 16164, 17511, 17910, 20205, 23283, 23348, 25870, 26940, 29185, 31044, 35022, 35820, 38805, 40410, 46566, 51740, 52533, 58370, 70044, 77610, 80820, 87555, 89351, 93132, 105066, 116415, 116740, 155220, 175110, 178702, 210132, 232830, 262665, 268053, 350220, 357404, 446755, 465660, 525330, 536106, 804159, 893510, 1050660, 1072212, 1161563, 1340265, 1608318, 1787020, 2323126, 2680530, 3216636, 3484689, 4020795, 4646252, 5361060, 5807815, 6969378, 8041590, 10454067, 11615630, 13938756, 16083180, 17423445, 20908134, 23231260, 34846890, 41816268, 52270335, 69693780, 104540670, 209081340]

約数ペア:

[(1, 209081340), (2, 104540670), (3, 69693780), (4, 52270335), (5, 41816268), (6, 34846890), (9, 23231260), (10, 20908134), (12, 17423445), (13, 16083180), (15, 13938756), (18, 11615630), (20, 10454067), (26, 8041590), (30, 6969378), (36, 5807815), (39, 5361060), (45, 4646252), (52, 4020795), (60, 3484689), (65, 3216636), (78, 2680530), (90, 2323126), (117, 1787020), (130, 1608318), (156, 1340265), (180, 1161563), (195, 1072212), (199, 1050660), (234, 893510), (260, 804159), (390, 536106), (398, 525330), (449, 465660), (468, 446755), (585, 357404), (597, 350220), (780, 268053), (796, 262665), (898, 232830), (995, 210132), (1170, 178702), (1194, 175110), (1347, 155220), (1791, 116740), (1796, 116415), (1990, 105066), (2245, 93132), (2340, 89351), (2388, 87555), (2587, 80820), (2694, 77610), (2985, 70044), (3582, 58370), (3980, 52533), (4041, 51740), (4490, 46566), (5174, 40410), (5388, 38805), (5837, 35820), (5970, 35022), (6735, 31044), (7164, 29185), (7761, 26940), (8082, 25870), (8955, 23348), (8980, 23283), (10348, 20205), (11674, 17910), (11940, 17511), (12935, 16164), (13470, 15522)]