209320020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{983}}^1$

素因数の和:1031

約数の個数: 216

約数和(自身を含む): 786554496

約数和(自身を除く): 577234476

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, 983, 1014, 1092, 1170, 1183, 1260, 1365, 1521, 1638, 1690, 1820, 1966, 2028, 2340, 2366, 2535, 2730, 2949, 3042, 3276, 3380, 3549, 3932, 4095, 4732, 4915, 5070, 5460, 5898, 5915, 6084, 6881, 7098, 7605, 8190, 8847, 9830, 10140, 10647, 11796, 11830, 12779, 13762, 14196, 14745, 15210, 16380, 17694, 17745, 19660, 20643, 21294, 23660, 25558, 27524, 29490, 30420, 34405, 35388, 35490, 38337, 41286, 42588, 44235, 51116, 53235, 58980, 61929, 63895, 68810, 70980, 76674, 82572, 88470, 89453, 103215, 106470, 115011, 123858, 127790, 137620, 153348, 166127, 176940, 178906, 191685, 206430, 212940, 230022, 247716, 255580, 268359, 309645, 332254, 357812, 383370, 412860, 447265, 460044, 498381, 536718, 575055, 619290, 664508, 766740, 805077, 830635, 894530, 996762, 1073436, 1150110, 1162889, 1238580, 1341795, 1495143, 1610154, 1661270, 1789060, 1993524, 2300220, 2325778, 2491905, 2683590, 2990286, 3220308, 3322540, 3488667, 4025385, 4651556, 4983810, 5367180, 5814445, 5980572, 6977334, 7475715, 8050770, 9967620, 10466001, 11628890, 13954668, 14951430, 16101540, 17443335, 20932002, 23257780, 29902860, 34886670, 41864004, 52330005, 69773340, 104660010, 209320020]

約数ペア:

[(1, 209320020), (2, 104660010), (3, 69773340), (4, 52330005), (5, 41864004), (6, 34886670), (7, 29902860), (9, 23257780), (10, 20932002), (12, 17443335), (13, 16101540), (14, 14951430), (15, 13954668), (18, 11628890), (20, 10466001), (21, 9967620), (26, 8050770), (28, 7475715), (30, 6977334), (35, 5980572), (36, 5814445), (39, 5367180), (42, 4983810), (45, 4651556), (52, 4025385), (60, 3488667), (63, 3322540), (65, 3220308), (70, 2990286), (78, 2683590), (84, 2491905), (90, 2325778), (91, 2300220), (105, 1993524), (117, 1789060), (126, 1661270), (130, 1610154), (140, 1495143), (156, 1341795), (169, 1238580), (180, 1162889), (182, 1150110), (195, 1073436), (210, 996762), (234, 894530), (252, 830635), (260, 805077), (273, 766740), (315, 664508), (338, 619290), (364, 575055), (390, 536718), (420, 498381), (455, 460044), (468, 447265), (507, 412860), (546, 383370), (585, 357812), (630, 332254), (676, 309645), (780, 268359), (819, 255580), (845, 247716), (910, 230022), (983, 212940), (1014, 206430), (1092, 191685), (1170, 178906), (1183, 176940), (1260, 166127), (1365, 153348), (1521, 137620), (1638, 127790), (1690, 123858), (1820, 115011), (1966, 106470), (2028, 103215), (2340, 89453), (2366, 88470), (2535, 82572), (2730, 76674), (2949, 70980), (3042, 68810), (3276, 63895), (3380, 61929), (3549, 58980), (3932, 53235), (4095, 51116), (4732, 44235), (4915, 42588), (5070, 41286), (5460, 38337), (5898, 35490), (5915, 35388), (6084, 34405), (6881, 30420), (7098, 29490), (7605, 27524), (8190, 25558), (8847, 23660), (9830, 21294), (10140, 20643), (10647, 19660), (11796, 17745), (11830, 17694), (12779, 16380), (13762, 15210), (14196, 14745)]