189444780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:533

約数の個数: 216

約数和(自身を含む): 684186048

約数和(自身を除く): 494741268

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 49, 60, 63, 70, 84, 90, 94, 98, 105, 126, 140, 141, 147, 180, 188, 196, 210, 235, 245, 252, 282, 294, 315, 329, 420, 423, 441, 457, 470, 490, 564, 588, 630, 658, 705, 735, 846, 882, 914, 940, 980, 987, 1260, 1316, 1371, 1410, 1470, 1645, 1692, 1764, 1828, 1974, 2115, 2205, 2285, 2303, 2742, 2820, 2940, 2961, 3199, 3290, 3948, 4113, 4230, 4410, 4570, 4606, 4935, 5484, 5922, 6398, 6580, 6855, 6909, 8226, 8460, 8820, 9140, 9212, 9597, 9870, 11515, 11844, 12796, 13710, 13818, 14805, 15995, 16452, 19194, 19740, 20565, 20727, 21479, 22393, 23030, 27420, 27636, 28791, 29610, 31990, 34545, 38388, 41130, 41454, 42958, 44786, 46060, 47985, 57582, 59220, 63980, 64437, 67179, 69090, 82260, 82908, 85916, 89572, 95970, 103635, 107395, 111965, 115164, 128874, 134358, 138180, 143955, 150353, 191940, 193311, 201537, 207270, 214790, 223930, 257748, 268716, 287910, 300706, 322185, 335895, 386622, 403074, 414540, 429580, 447860, 451059, 575820, 601412, 644370, 671790, 751765, 773244, 806148, 902118, 966555, 1007685, 1052471, 1288740, 1343580, 1353177, 1503530, 1804236, 1933110, 2015370, 2104942, 2255295, 2706354, 3007060, 3157413, 3866220, 4030740, 4209884, 4510590, 5262355, 5412708, 6314826, 6765885, 9021180, 9472239, 10524710, 12629652, 13531770, 15787065, 18944478, 21049420, 27063540, 31574130, 37888956, 47361195, 63148260, 94722390, 189444780]

約数ペア:

[(1, 189444780), (2, 94722390), (3, 63148260), (4, 47361195), (5, 37888956), (6, 31574130), (7, 27063540), (9, 21049420), (10, 18944478), (12, 15787065), (14, 13531770), (15, 12629652), (18, 10524710), (20, 9472239), (21, 9021180), (28, 6765885), (30, 6314826), (35, 5412708), (36, 5262355), (42, 4510590), (45, 4209884), (47, 4030740), (49, 3866220), (60, 3157413), (63, 3007060), (70, 2706354), (84, 2255295), (90, 2104942), (94, 2015370), (98, 1933110), (105, 1804236), (126, 1503530), (140, 1353177), (141, 1343580), (147, 1288740), (180, 1052471), (188, 1007685), (196, 966555), (210, 902118), (235, 806148), (245, 773244), (252, 751765), (282, 671790), (294, 644370), (315, 601412), (329, 575820), (420, 451059), (423, 447860), (441, 429580), (457, 414540), (470, 403074), (490, 386622), (564, 335895), (588, 322185), (630, 300706), (658, 287910), (705, 268716), (735, 257748), (846, 223930), (882, 214790), (914, 207270), (940, 201537), (980, 193311), (987, 191940), (1260, 150353), (1316, 143955), (1371, 138180), (1410, 134358), (1470, 128874), (1645, 115164), (1692, 111965), (1764, 107395), (1828, 103635), (1974, 95970), (2115, 89572), (2205, 85916), (2285, 82908), (2303, 82260), (2742, 69090), (2820, 67179), (2940, 64437), (2961, 63980), (3199, 59220), (3290, 57582), (3948, 47985), (4113, 46060), (4230, 44786), (4410, 42958), (4570, 41454), (4606, 41130), (4935, 38388), (5484, 34545), (5922, 31990), (6398, 29610), (6580, 28791), (6855, 27636), (6909, 27420), (8226, 23030), (8460, 22393), (8820, 21479), (9140, 20727), (9212, 20565), (9597, 19740), (9870, 19194), (11515, 16452), (11844, 15995), (12796, 14805), (13710, 13818)]