211023540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{991}}^1$

素因数の和:1039

約数の個数: 216

約数和(自身を含む): 792949248

約数和(自身を除く): 581925708

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 169, 180, 182, 195, 210, 234, 252, 260, 273, 315, 338, 364, 390, 420, 455, 468, 507, 546, 585, 630, 676, 780, 819, 845, 910, 991, 1014, 1092, 1170, 1183, 1260, 1365, 1521, 1638, 1690, 1820, 1982, 2028, 2340, 2366, 2535, 2730, 2973, 3042, 3276, 3380, 3549, 3964, 4095, 4732, 4955, 5070, 5460, 5915, 5946, 6084, 6937, 7098, 7605, 8190, 8919, 9910, 10140, 10647, 11830, 11892, 12883, 13874, 14196, 14865, 15210, 16380, 17745, 17838, 19820, 20811, 21294, 23660, 25766, 27748, 29730, 30420, 34685, 35490, 35676, 38649, 41622, 42588, 44595, 51532, 53235, 59460, 62433, 64415, 69370, 70980, 77298, 83244, 89190, 90181, 104055, 106470, 115947, 124866, 128830, 138740, 154596, 167479, 178380, 180362, 193245, 208110, 212940, 231894, 249732, 257660, 270543, 312165, 334958, 360724, 386490, 416220, 450905, 463788, 502437, 541086, 579735, 624330, 669916, 772980, 811629, 837395, 901810, 1004874, 1082172, 1159470, 1172353, 1248660, 1352715, 1507311, 1623258, 1674790, 1803620, 2009748, 2318940, 2344706, 2512185, 2705430, 3014622, 3246516, 3349580, 3517059, 4058145, 4689412, 5024370, 5410860, 5861765, 6029244, 7034118, 7536555, 8116290, 10048740, 10551177, 11723530, 14068236, 15073110, 16232580, 17585295, 21102354, 23447060, 30146220, 35170590, 42204708, 52755885, 70341180, 105511770, 211023540]

約数ペア:

[(1, 211023540), (2, 105511770), (3, 70341180), (4, 52755885), (5, 42204708), (6, 35170590), (7, 30146220), (9, 23447060), (10, 21102354), (12, 17585295), (13, 16232580), (14, 15073110), (15, 14068236), (18, 11723530), (20, 10551177), (21, 10048740), (26, 8116290), (28, 7536555), (30, 7034118), (35, 6029244), (36, 5861765), (39, 5410860), (42, 5024370), (45, 4689412), (52, 4058145), (60, 3517059), (63, 3349580), (65, 3246516), (70, 3014622), (78, 2705430), (84, 2512185), (90, 2344706), (91, 2318940), (105, 2009748), (117, 1803620), (126, 1674790), (130, 1623258), (140, 1507311), (156, 1352715), (169, 1248660), (180, 1172353), (182, 1159470), (195, 1082172), (210, 1004874), (234, 901810), (252, 837395), (260, 811629), (273, 772980), (315, 669916), (338, 624330), (364, 579735), (390, 541086), (420, 502437), (455, 463788), (468, 450905), (507, 416220), (546, 386490), (585, 360724), (630, 334958), (676, 312165), (780, 270543), (819, 257660), (845, 249732), (910, 231894), (991, 212940), (1014, 208110), (1092, 193245), (1170, 180362), (1183, 178380), (1260, 167479), (1365, 154596), (1521, 138740), (1638, 128830), (1690, 124866), (1820, 115947), (1982, 106470), (2028, 104055), (2340, 90181), (2366, 89190), (2535, 83244), (2730, 77298), (2973, 70980), (3042, 69370), (3276, 64415), (3380, 62433), (3549, 59460), (3964, 53235), (4095, 51532), (4732, 44595), (4955, 42588), (5070, 41622), (5460, 38649), (5915, 35676), (5946, 35490), (6084, 34685), (6937, 30420), (7098, 29730), (7605, 27748), (8190, 25766), (8919, 23660), (9910, 21294), (10140, 20811), (10647, 19820), (11830, 17838), (11892, 17745), (12883, 16380), (13874, 15210), (14196, 14865)]