51988300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 144365760

約数和(自身を除く): 92377460

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 29, 35, 50, 52, 58, 65, 70, 91, 100, 116, 130, 140, 145, 175, 182, 197, 203, 260, 290, 325, 350, 364, 377, 394, 406, 455, 580, 650, 700, 725, 754, 788, 812, 910, 985, 1015, 1300, 1379, 1450, 1508, 1820, 1885, 1970, 2030, 2275, 2561, 2639, 2758, 2900, 3770, 3940, 4060, 4550, 4925, 5075, 5122, 5278, 5516, 5713, 6895, 7540, 9100, 9425, 9850, 10150, 10244, 10556, 11426, 12805, 13195, 13790, 17927, 18850, 19700, 20300, 22852, 25610, 26390, 27580, 28565, 34475, 35854, 37700, 39991, 51220, 52780, 57130, 64025, 65975, 68950, 71708, 74269, 79982, 89635, 114260, 128050, 131950, 137900, 142825, 148538, 159964, 179270, 199955, 256100, 263900, 285650, 297076, 358540, 371345, 399910, 448175, 519883, 571300, 742690, 799820, 896350, 999775, 1039766, 1485380, 1792700, 1856725, 1999550, 2079532, 2599415, 3713450, 3999100, 5198830, 7426900, 10397660, 12997075, 25994150, 51988300]

約数ペア:

[(1, 51988300), (2, 25994150), (4, 12997075), (5, 10397660), (7, 7426900), (10, 5198830), (13, 3999100), (14, 3713450), (20, 2599415), (25, 2079532), (26, 1999550), (28, 1856725), (29, 1792700), (35, 1485380), (50, 1039766), (52, 999775), (58, 896350), (65, 799820), (70, 742690), (91, 571300), (100, 519883), (116, 448175), (130, 399910), (140, 371345), (145, 358540), (175, 297076), (182, 285650), (197, 263900), (203, 256100), (260, 199955), (290, 179270), (325, 159964), (350, 148538), (364, 142825), (377, 137900), (394, 131950), (406, 128050), (455, 114260), (580, 89635), (650, 79982), (700, 74269), (725, 71708), (754, 68950), (788, 65975), (812, 64025), (910, 57130), (985, 52780), (1015, 51220), (1300, 39991), (1379, 37700), (1450, 35854), (1508, 34475), (1820, 28565), (1885, 27580), (1970, 26390), (2030, 25610), (2275, 22852), (2561, 20300), (2639, 19700), (2758, 18850), (2900, 17927), (3770, 13790), (3940, 13195), (4060, 12805), (4550, 11426), (4925, 10556), (5075, 10244), (5122, 10150), (5278, 9850), (5516, 9425), (5713, 9100), (6895, 7540)]