285526920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^4\times {\mathrm{991}}^1$

素因数の和:1033

約数の個数: 160

約数和(自身を含む): 1000293120

約数和(自身を除く): 714766200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 840, 980, 991, 1029, 1176, 1372, 1470, 1715, 1960, 1982, 2058, 2401, 2744, 2940, 2973, 3430, 3964, 4116, 4802, 4955, 5145, 5880, 5946, 6860, 6937, 7203, 7928, 8232, 9604, 9910, 10290, 11892, 12005, 13720, 13874, 14406, 14865, 19208, 19820, 20580, 20811, 23784, 24010, 27748, 28812, 29730, 34685, 36015, 39640, 41160, 41622, 48020, 48559, 55496, 57624, 59460, 69370, 72030, 83244, 96040, 97118, 104055, 118920, 138740, 144060, 145677, 166488, 194236, 208110, 242795, 277480, 288120, 291354, 339913, 388472, 416220, 485590, 582708, 679826, 728385, 832440, 971180, 1019739, 1165416, 1359652, 1456770, 1699565, 1942360, 2039478, 2379391, 2719304, 2913540, 3399130, 4078956, 4758782, 5098695, 5827080, 6798260, 7138173, 8157912, 9517564, 10197390, 11896955, 13596520, 14276346, 19035128, 20394780, 23793910, 28552692, 35690865, 40789560, 47587820, 57105384, 71381730, 95175640, 142763460, 285526920]

約数ペア:

[(1, 285526920), (2, 142763460), (3, 95175640), (4, 71381730), (5, 57105384), (6, 47587820), (7, 40789560), (8, 35690865), (10, 28552692), (12, 23793910), (14, 20394780), (15, 19035128), (20, 14276346), (21, 13596520), (24, 11896955), (28, 10197390), (30, 9517564), (35, 8157912), (40, 7138173), (42, 6798260), (49, 5827080), (56, 5098695), (60, 4758782), (70, 4078956), (84, 3399130), (98, 2913540), (105, 2719304), (120, 2379391), (140, 2039478), (147, 1942360), (168, 1699565), (196, 1456770), (210, 1359652), (245, 1165416), (280, 1019739), (294, 971180), (343, 832440), (392, 728385), (420, 679826), (490, 582708), (588, 485590), (686, 416220), (735, 388472), (840, 339913), (980, 291354), (991, 288120), (1029, 277480), (1176, 242795), (1372, 208110), (1470, 194236), (1715, 166488), (1960, 145677), (1982, 144060), (2058, 138740), (2401, 118920), (2744, 104055), (2940, 97118), (2973, 96040), (3430, 83244), (3964, 72030), (4116, 69370), (4802, 59460), (4955, 57624), (5145, 55496), (5880, 48559), (5946, 48020), (6860, 41622), (6937, 41160), (7203, 39640), (7928, 36015), (8232, 34685), (9604, 29730), (9910, 28812), (10290, 27748), (11892, 24010), (12005, 23784), (13720, 20811), (13874, 20580), (14406, 19820), (14865, 19208)]