199701320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{661}}^1$

素因数の和:775

約数の個数: 128

約数和(自身を含む): 560528640

約数和(自身を除く): 360827320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 83, 91, 104, 130, 140, 166, 182, 260, 280, 332, 364, 415, 455, 520, 581, 661, 664, 728, 830, 910, 1079, 1162, 1322, 1660, 1820, 2158, 2324, 2644, 2905, 3305, 3320, 3640, 4316, 4627, 4648, 5288, 5395, 5810, 6610, 7553, 8593, 8632, 9254, 10790, 11620, 13220, 15106, 17186, 18508, 21580, 23135, 23240, 26440, 30212, 34372, 37016, 37765, 42965, 43160, 46270, 54863, 60151, 60424, 68744, 75530, 85930, 92540, 109726, 120302, 151060, 171860, 185080, 219452, 240604, 274315, 300755, 302120, 343720, 384041, 438904, 481208, 548630, 601510, 713219, 768082, 1097260, 1203020, 1426438, 1536164, 1920205, 2194520, 2406040, 2852876, 3072328, 3566095, 3840410, 4992533, 5705752, 7132190, 7680820, 9985066, 14264380, 15361640, 19970132, 24962665, 28528760, 39940264, 49925330, 99850660, 199701320]

約数ペア:

[(1, 199701320), (2, 99850660), (4, 49925330), (5, 39940264), (7, 28528760), (8, 24962665), (10, 19970132), (13, 15361640), (14, 14264380), (20, 9985066), (26, 7680820), (28, 7132190), (35, 5705752), (40, 4992533), (52, 3840410), (56, 3566095), (65, 3072328), (70, 2852876), (83, 2406040), (91, 2194520), (104, 1920205), (130, 1536164), (140, 1426438), (166, 1203020), (182, 1097260), (260, 768082), (280, 713219), (332, 601510), (364, 548630), (415, 481208), (455, 438904), (520, 384041), (581, 343720), (661, 302120), (664, 300755), (728, 274315), (830, 240604), (910, 219452), (1079, 185080), (1162, 171860), (1322, 151060), (1660, 120302), (1820, 109726), (2158, 92540), (2324, 85930), (2644, 75530), (2905, 68744), (3305, 60424), (3320, 60151), (3640, 54863), (4316, 46270), (4627, 43160), (4648, 42965), (5288, 37765), (5395, 37016), (5810, 34372), (6610, 30212), (7553, 26440), (8593, 23240), (8632, 23135), (9254, 21580), (10790, 18508), (11620, 17186), (13220, 15106)]