205871868

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:349

約数の個数: 120

約数和(自身を含む): 563763200

約数和(自身を除く): 357891332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 103, 108, 124, 162, 186, 199, 206, 279, 309, 324, 372, 398, 412, 558, 597, 618, 796, 837, 927, 1116, 1194, 1236, 1674, 1791, 1854, 2388, 2511, 2781, 3193, 3348, 3582, 3708, 5022, 5373, 5562, 6169, 6386, 7164, 8343, 9579, 10044, 10746, 11124, 12338, 12772, 16119, 16686, 18507, 19158, 20497, 21492, 24676, 28737, 32238, 33372, 37014, 38316, 40994, 55521, 57474, 61491, 64476, 74028, 81988, 86211, 111042, 114948, 122982, 166563, 172422, 184473, 222084, 245964, 258633, 333126, 344844, 368946, 499689, 517266, 553419, 635407, 666252, 737892, 999378, 1034532, 1106838, 1270814, 1660257, 1906221, 1998756, 2213676, 2541628, 3320514, 3812442, 5718663, 6641028, 7624884, 11437326, 17155989, 22874652, 34311978, 51467967, 68623956, 102935934, 205871868]

約数ペア:

[(1, 205871868), (2, 102935934), (3, 68623956), (4, 51467967), (6, 34311978), (9, 22874652), (12, 17155989), (18, 11437326), (27, 7624884), (31, 6641028), (36, 5718663), (54, 3812442), (62, 3320514), (81, 2541628), (93, 2213676), (103, 1998756), (108, 1906221), (124, 1660257), (162, 1270814), (186, 1106838), (199, 1034532), (206, 999378), (279, 737892), (309, 666252), (324, 635407), (372, 553419), (398, 517266), (412, 499689), (558, 368946), (597, 344844), (618, 333126), (796, 258633), (837, 245964), (927, 222084), (1116, 184473), (1194, 172422), (1236, 166563), (1674, 122982), (1791, 114948), (1854, 111042), (2388, 86211), (2511, 81988), (2781, 74028), (3193, 64476), (3348, 61491), (3582, 57474), (3708, 55521), (5022, 40994), (5373, 38316), (5562, 37014), (6169, 33372), (6386, 32238), (7164, 28737), (8343, 24676), (9579, 21492), (10044, 20497), (10746, 19158), (11124, 18507), (12338, 16686), (12772, 16119)]