205431408

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:352

約数の個数: 240

約数和(自身を含む): 721995456

約数和(自身を除く): 516564048

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 52, 56, 61, 63, 72, 78, 84, 91, 104, 112, 117, 122, 126, 144, 156, 168, 182, 183, 208, 234, 244, 252, 257, 273, 312, 336, 364, 366, 427, 468, 488, 504, 514, 546, 549, 624, 728, 732, 771, 793, 819, 854, 936, 976, 1008, 1028, 1092, 1098, 1281, 1456, 1464, 1542, 1586, 1638, 1708, 1799, 1872, 2056, 2184, 2196, 2313, 2379, 2562, 2928, 3084, 3172, 3276, 3341, 3416, 3598, 3843, 4112, 4368, 4392, 4626, 4758, 5124, 5397, 5551, 6168, 6344, 6552, 6682, 6832, 7137, 7196, 7686, 8784, 9252, 9516, 10023, 10248, 10794, 11102, 12336, 12688, 13104, 13364, 14274, 14392, 15372, 15677, 16191, 16653, 18504, 19032, 20046, 20496, 21588, 22204, 23387, 26728, 28548, 28784, 30069, 30744, 31354, 32382, 33306, 37008, 38064, 40092, 43176, 44408, 46774, 47031, 49959, 53456, 57096, 60138, 61488, 62708, 64764, 66612, 70161, 80184, 86352, 88816, 93548, 94062, 99918, 109739, 114192, 120276, 125416, 129528, 133224, 140322, 141093, 160368, 187096, 188124, 199836, 203801, 210483, 219478, 240552, 250832, 259056, 266448, 280644, 282186, 329217, 374192, 376248, 399672, 407602, 420966, 438956, 481104, 561288, 564372, 611403, 658434, 752496, 799344, 815204, 841932, 877912, 987651, 1122576, 1128744, 1222806, 1316868, 1426607, 1630408, 1683864, 1755824, 1834209, 1975302, 2257488, 2445612, 2633736, 2853214, 3260816, 3367728, 3668418, 3950604, 4279821, 4891224, 5267472, 5706428, 7336836, 7901208, 8559642, 9782448, 11412856, 12839463, 14673672, 15802416, 17119284, 22825712, 25678926, 29347344, 34238568, 51357852, 68477136, 102715704, 205431408]

約数ペア:

[(1, 205431408), (2, 102715704), (3, 68477136), (4, 51357852), (6, 34238568), (7, 29347344), (8, 25678926), (9, 22825712), (12, 17119284), (13, 15802416), (14, 14673672), (16, 12839463), (18, 11412856), (21, 9782448), (24, 8559642), (26, 7901208), (28, 7336836), (36, 5706428), (39, 5267472), (42, 4891224), (48, 4279821), (52, 3950604), (56, 3668418), (61, 3367728), (63, 3260816), (72, 2853214), (78, 2633736), (84, 2445612), (91, 2257488), (104, 1975302), (112, 1834209), (117, 1755824), (122, 1683864), (126, 1630408), (144, 1426607), (156, 1316868), (168, 1222806), (182, 1128744), (183, 1122576), (208, 987651), (234, 877912), (244, 841932), (252, 815204), (257, 799344), (273, 752496), (312, 658434), (336, 611403), (364, 564372), (366, 561288), (427, 481104), (468, 438956), (488, 420966), (504, 407602), (514, 399672), (546, 376248), (549, 374192), (624, 329217), (728, 282186), (732, 280644), (771, 266448), (793, 259056), (819, 250832), (854, 240552), (936, 219478), (976, 210483), (1008, 203801), (1028, 199836), (1092, 188124), (1098, 187096), (1281, 160368), (1456, 141093), (1464, 140322), (1542, 133224), (1586, 129528), (1638, 125416), (1708, 120276), (1799, 114192), (1872, 109739), (2056, 99918), (2184, 94062), (2196, 93548), (2313, 88816), (2379, 86352), (2562, 80184), (2928, 70161), (3084, 66612), (3172, 64764), (3276, 62708), (3341, 61488), (3416, 60138), (3598, 57096), (3843, 53456), (4112, 49959), (4368, 47031), (4392, 46774), (4626, 44408), (4758, 43176), (5124, 40092), (5397, 38064), (5551, 37008), (6168, 33306), (6344, 32382), (6552, 31354), (6682, 30744), (6832, 30069), (7137, 28784), (7196, 28548), (7686, 26728), (8784, 23387), (9252, 22204), (9516, 21588), (10023, 20496), (10248, 20046), (10794, 19032), (11102, 18504), (12336, 16653), (12688, 16191), (13104, 15677), (13364, 15372), (14274, 14392)]