208197990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2311}}^1$

素因数の和:2355

約数の個数: 192

約数和(自身を含む): 727114752

約数和(自身を除く): 518916762

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15, 18, 21, 22, 26, 30, 33, 35, 39, 42, 45, 55, 63, 65, 66, 70, 77, 78, 90, 91, 99, 105, 110, 117, 126, 130, 143, 154, 165, 182, 195, 198, 210, 231, 234, 273, 286, 315, 330, 385, 390, 429, 455, 462, 495, 546, 585, 630, 693, 715, 770, 819, 858, 910, 990, 1001, 1155, 1170, 1287, 1365, 1386, 1430, 1638, 2002, 2145, 2310, 2311, 2574, 2730, 3003, 3465, 4095, 4290, 4622, 5005, 6006, 6435, 6930, 6933, 8190, 9009, 10010, 11555, 12870, 13866, 15015, 16177, 18018, 20799, 23110, 25421, 30030, 30043, 32354, 34665, 41598, 45045, 48531, 50842, 60086, 69330, 76263, 80885, 90090, 90129, 97062, 103995, 127105, 145593, 150215, 152526, 161770, 177947, 180258, 207990, 210301, 228789, 242655, 254210, 270387, 291186, 300430, 330473, 355894, 381315, 420602, 450645, 457578, 485310, 533841, 540774, 630903, 660946, 727965, 762630, 889735, 901290, 991419, 1051505, 1067682, 1143945, 1261806, 1351935, 1455930, 1601523, 1652365, 1779470, 1892709, 1982838, 2103010, 2287890, 2313311, 2669205, 2703870, 2974257, 3154515, 3203046, 3304730, 3785418, 4626622, 4957095, 5338410, 5948514, 6309030, 6939933, 8007615, 9463545, 9914190, 11566555, 13879866, 14871285, 16015230, 18927090, 20819799, 23133110, 29742570, 34699665, 41639598, 69399330, 104098995, 208197990]

約数ペア:

[(1, 208197990), (2, 104098995), (3, 69399330), (5, 41639598), (6, 34699665), (7, 29742570), (9, 23133110), (10, 20819799), (11, 18927090), (13, 16015230), (14, 14871285), (15, 13879866), (18, 11566555), (21, 9914190), (22, 9463545), (26, 8007615), (30, 6939933), (33, 6309030), (35, 5948514), (39, 5338410), (42, 4957095), (45, 4626622), (55, 3785418), (63, 3304730), (65, 3203046), (66, 3154515), (70, 2974257), (77, 2703870), (78, 2669205), (90, 2313311), (91, 2287890), (99, 2103010), (105, 1982838), (110, 1892709), (117, 1779470), (126, 1652365), (130, 1601523), (143, 1455930), (154, 1351935), (165, 1261806), (182, 1143945), (195, 1067682), (198, 1051505), (210, 991419), (231, 901290), (234, 889735), (273, 762630), (286, 727965), (315, 660946), (330, 630903), (385, 540774), (390, 533841), (429, 485310), (455, 457578), (462, 450645), (495, 420602), (546, 381315), (585, 355894), (630, 330473), (693, 300430), (715, 291186), (770, 270387), (819, 254210), (858, 242655), (910, 228789), (990, 210301), (1001, 207990), (1155, 180258), (1170, 177947), (1287, 161770), (1365, 152526), (1386, 150215), (1430, 145593), (1638, 127105), (2002, 103995), (2145, 97062), (2310, 90129), (2311, 90090), (2574, 80885), (2730, 76263), (3003, 69330), (3465, 60086), (4095, 50842), (4290, 48531), (4622, 45045), (5005, 41598), (6006, 34665), (6435, 32354), (6930, 30043), (6933, 30030), (8190, 25421), (9009, 23110), (10010, 20799), (11555, 18018), (12870, 16177), (13866, 15015)]