28681800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{6829}}^1$

素因数の和:6855

約数の個数: 96

約数和(自身を含む): 101630400

約数和(自身を除く): 72948600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 2100, 4200, 6829, 13658, 20487, 27316, 34145, 40974, 47803, 54632, 68290, 81948, 95606, 102435, 136580, 143409, 163896, 170725, 191212, 204870, 239015, 273160, 286818, 341450, 382424, 409740, 478030, 512175, 573636, 682900, 717045, 819480, 956060, 1024350, 1147272, 1195075, 1365800, 1434090, 1912120, 2048700, 2390150, 2868180, 3585225, 4097400, 4780300, 5736360, 7170450, 9560600, 14340900, 28681800]

約数ペア:

[(1, 28681800), (2, 14340900), (3, 9560600), (4, 7170450), (5, 5736360), (6, 4780300), (7, 4097400), (8, 3585225), (10, 2868180), (12, 2390150), (14, 2048700), (15, 1912120), (20, 1434090), (21, 1365800), (24, 1195075), (25, 1147272), (28, 1024350), (30, 956060), (35, 819480), (40, 717045), (42, 682900), (50, 573636), (56, 512175), (60, 478030), (70, 409740), (75, 382424), (84, 341450), (100, 286818), (105, 273160), (120, 239015), (140, 204870), (150, 191212), (168, 170725), (175, 163896), (200, 143409), (210, 136580), (280, 102435), (300, 95606), (350, 81948), (420, 68290), (525, 54632), (600, 47803), (700, 40974), (840, 34145), (1050, 27316), (1400, 20487), (2100, 13658), (4200, 6829)]