28305200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{919}}^1$

素因数の和:955

約数の個数: 120

約数和(自身を含む): 84875520

約数和(自身を除く): 56570320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 80, 88, 100, 110, 112, 140, 154, 175, 176, 200, 220, 275, 280, 308, 350, 385, 400, 440, 550, 560, 616, 700, 770, 880, 919, 1100, 1232, 1400, 1540, 1838, 1925, 2200, 2800, 3080, 3676, 3850, 4400, 4595, 6160, 6433, 7352, 7700, 9190, 10109, 12866, 14704, 15400, 18380, 20218, 22975, 25732, 30800, 32165, 36760, 40436, 45950, 50545, 51464, 64330, 70763, 73520, 80872, 91900, 101090, 102928, 128660, 141526, 160825, 161744, 183800, 202180, 252725, 257320, 283052, 321650, 353815, 367600, 404360, 505450, 514640, 566104, 643300, 707630, 808720, 1010900, 1132208, 1286600, 1415260, 1769075, 2021800, 2573200, 2830520, 3538150, 4043600, 5661040, 7076300, 14152600, 28305200]

約数ペア:

[(1, 28305200), (2, 14152600), (4, 7076300), (5, 5661040), (7, 4043600), (8, 3538150), (10, 2830520), (11, 2573200), (14, 2021800), (16, 1769075), (20, 1415260), (22, 1286600), (25, 1132208), (28, 1010900), (35, 808720), (40, 707630), (44, 643300), (50, 566104), (55, 514640), (56, 505450), (70, 404360), (77, 367600), (80, 353815), (88, 321650), (100, 283052), (110, 257320), (112, 252725), (140, 202180), (154, 183800), (175, 161744), (176, 160825), (200, 141526), (220, 128660), (275, 102928), (280, 101090), (308, 91900), (350, 80872), (385, 73520), (400, 70763), (440, 64330), (550, 51464), (560, 50545), (616, 45950), (700, 40436), (770, 36760), (880, 32165), (919, 30800), (1100, 25732), (1232, 22975), (1400, 20218), (1540, 18380), (1838, 15400), (1925, 14704), (2200, 12866), (2800, 10109), (3080, 9190), (3676, 7700), (3850, 7352), (4400, 6433), (4595, 6160)]