28326900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 216

約数和(自身を含む): 99743616

約数和(自身を除く): 71416716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 41, 42, 47, 49, 50, 60, 70, 75, 82, 84, 94, 98, 100, 105, 123, 140, 141, 147, 150, 164, 175, 188, 196, 205, 210, 235, 245, 246, 282, 287, 294, 300, 329, 350, 410, 420, 470, 490, 492, 525, 564, 574, 588, 615, 658, 700, 705, 735, 820, 861, 940, 980, 987, 1025, 1050, 1148, 1175, 1225, 1230, 1316, 1410, 1435, 1470, 1645, 1722, 1927, 1974, 2009, 2050, 2100, 2303, 2350, 2450, 2460, 2820, 2870, 2940, 3075, 3290, 3444, 3525, 3675, 3854, 3948, 4018, 4100, 4305, 4606, 4700, 4900, 4935, 5740, 5781, 6027, 6150, 6580, 6909, 7050, 7175, 7350, 7708, 8036, 8225, 8610, 9212, 9635, 9870, 10045, 11515, 11562, 12054, 12300, 13489, 13818, 14100, 14350, 14700, 16450, 17220, 19270, 19740, 20090, 21525, 23030, 23124, 24108, 24675, 26978, 27636, 28700, 28905, 30135, 32900, 34545, 38540, 40180, 40467, 43050, 46060, 48175, 49350, 50225, 53956, 57575, 57810, 60270, 67445, 69090, 80934, 86100, 94423, 96350, 98700, 100450, 115150, 115620, 120540, 134890, 138180, 144525, 150675, 161868, 172725, 188846, 192700, 200900, 202335, 230300, 269780, 283269, 289050, 301350, 337225, 345450, 377692, 404670, 472115, 566538, 578100, 602700, 674450, 690900, 809340, 944230, 1011675, 1133076, 1348900, 1416345, 1888460, 2023350, 2360575, 2832690, 4046700, 4721150, 5665380, 7081725, 9442300, 14163450, 28326900]

約数ペア:

[(1, 28326900), (2, 14163450), (3, 9442300), (4, 7081725), (5, 5665380), (6, 4721150), (7, 4046700), (10, 2832690), (12, 2360575), (14, 2023350), (15, 1888460), (20, 1416345), (21, 1348900), (25, 1133076), (28, 1011675), (30, 944230), (35, 809340), (41, 690900), (42, 674450), (47, 602700), (49, 578100), (50, 566538), (60, 472115), (70, 404670), (75, 377692), (82, 345450), (84, 337225), (94, 301350), (98, 289050), (100, 283269), (105, 269780), (123, 230300), (140, 202335), (141, 200900), (147, 192700), (150, 188846), (164, 172725), (175, 161868), (188, 150675), (196, 144525), (205, 138180), (210, 134890), (235, 120540), (245, 115620), (246, 115150), (282, 100450), (287, 98700), (294, 96350), (300, 94423), (329, 86100), (350, 80934), (410, 69090), (420, 67445), (470, 60270), (490, 57810), (492, 57575), (525, 53956), (564, 50225), (574, 49350), (588, 48175), (615, 46060), (658, 43050), (700, 40467), (705, 40180), (735, 38540), (820, 34545), (861, 32900), (940, 30135), (980, 28905), (987, 28700), (1025, 27636), (1050, 26978), (1148, 24675), (1175, 24108), (1225, 23124), (1230, 23030), (1316, 21525), (1410, 20090), (1435, 19740), (1470, 19270), (1645, 17220), (1722, 16450), (1927, 14700), (1974, 14350), (2009, 14100), (2050, 13818), (2100, 13489), (2303, 12300), (2350, 12054), (2450, 11562), (2460, 11515), (2820, 10045), (2870, 9870), (2940, 9635), (3075, 9212), (3290, 8610), (3444, 8225), (3525, 8036), (3675, 7708), (3854, 7350), (3948, 7175), (4018, 7050), (4100, 6909), (4305, 6580), (4606, 6150), (4700, 6027), (4900, 5781), (4935, 5740)]