199717320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2131}}^1$

素因数の和:2227

約数の個数: 128

約数和(自身を含む): 663137280

約数和(自身を除く): 463419960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 71, 88, 110, 120, 132, 142, 165, 213, 220, 264, 284, 330, 355, 426, 440, 568, 660, 710, 781, 852, 1065, 1320, 1420, 1562, 1704, 2130, 2131, 2343, 2840, 3124, 3905, 4260, 4262, 4686, 6248, 6393, 7810, 8520, 8524, 9372, 10655, 11715, 12786, 15620, 17048, 18744, 21310, 23430, 23441, 25572, 31240, 31965, 42620, 46860, 46882, 51144, 63930, 70323, 85240, 93720, 93764, 117205, 127860, 140646, 151301, 187528, 234410, 255720, 281292, 302602, 351615, 453903, 468820, 562584, 605204, 703230, 756505, 907806, 937640, 1210408, 1406460, 1513010, 1664311, 1815612, 2269515, 2812920, 3026020, 3328622, 3631224, 4539030, 4992933, 6052040, 6657244, 8321555, 9078060, 9985866, 13314488, 16643110, 18156120, 19971732, 24964665, 33286220, 39943464, 49929330, 66572440, 99858660, 199717320]

約数ペア:

[(1, 199717320), (2, 99858660), (3, 66572440), (4, 49929330), (5, 39943464), (6, 33286220), (8, 24964665), (10, 19971732), (11, 18156120), (12, 16643110), (15, 13314488), (20, 9985866), (22, 9078060), (24, 8321555), (30, 6657244), (33, 6052040), (40, 4992933), (44, 4539030), (55, 3631224), (60, 3328622), (66, 3026020), (71, 2812920), (88, 2269515), (110, 1815612), (120, 1664311), (132, 1513010), (142, 1406460), (165, 1210408), (213, 937640), (220, 907806), (264, 756505), (284, 703230), (330, 605204), (355, 562584), (426, 468820), (440, 453903), (568, 351615), (660, 302602), (710, 281292), (781, 255720), (852, 234410), (1065, 187528), (1320, 151301), (1420, 140646), (1562, 127860), (1704, 117205), (2130, 93764), (2131, 93720), (2343, 85240), (2840, 70323), (3124, 63930), (3905, 51144), (4260, 46882), (4262, 46860), (4686, 42620), (6248, 31965), (6393, 31240), (7810, 25572), (8520, 23441), (8524, 23430), (9372, 21310), (10655, 18744), (11715, 17048), (12786, 15620)]