205736440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1949}}^1$

素因数の和:2009

約数の個数: 128

約数和(自身を含む): 589680000

約数和(自身を除く): 383943560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 29, 35, 40, 52, 56, 58, 65, 70, 91, 104, 116, 130, 140, 145, 182, 203, 232, 260, 280, 290, 364, 377, 406, 455, 520, 580, 728, 754, 812, 910, 1015, 1160, 1508, 1624, 1820, 1885, 1949, 2030, 2639, 3016, 3640, 3770, 3898, 4060, 5278, 7540, 7796, 8120, 9745, 10556, 13195, 13643, 15080, 15592, 19490, 21112, 25337, 26390, 27286, 38980, 50674, 52780, 54572, 56521, 68215, 77960, 101348, 105560, 109144, 113042, 126685, 136430, 177359, 202696, 226084, 253370, 272860, 282605, 354718, 395647, 452168, 506740, 545720, 565210, 709436, 734773, 791294, 886795, 1013480, 1130420, 1418872, 1469546, 1582588, 1773590, 1978235, 2260840, 2939092, 3165176, 3547180, 3673865, 3956470, 5143411, 5878184, 7094360, 7347730, 7912940, 10286822, 14695460, 15825880, 20573644, 25717055, 29390920, 41147288, 51434110, 102868220, 205736440]

約数ペア:

[(1, 205736440), (2, 102868220), (4, 51434110), (5, 41147288), (7, 29390920), (8, 25717055), (10, 20573644), (13, 15825880), (14, 14695460), (20, 10286822), (26, 7912940), (28, 7347730), (29, 7094360), (35, 5878184), (40, 5143411), (52, 3956470), (56, 3673865), (58, 3547180), (65, 3165176), (70, 2939092), (91, 2260840), (104, 1978235), (116, 1773590), (130, 1582588), (140, 1469546), (145, 1418872), (182, 1130420), (203, 1013480), (232, 886795), (260, 791294), (280, 734773), (290, 709436), (364, 565210), (377, 545720), (406, 506740), (455, 452168), (520, 395647), (580, 354718), (728, 282605), (754, 272860), (812, 253370), (910, 226084), (1015, 202696), (1160, 177359), (1508, 136430), (1624, 126685), (1820, 113042), (1885, 109144), (1949, 105560), (2030, 101348), (2639, 77960), (3016, 68215), (3640, 56521), (3770, 54572), (3898, 52780), (4060, 50674), (5278, 38980), (7540, 27286), (7796, 26390), (8120, 25337), (9745, 21112), (10556, 19490), (13195, 15592), (13643, 15080)]