219734800

素因数分解:

$2^4\times 5^2\times {\mathrm{641}}^1\times {\mathrm{857}}^1$

素因数の和:1516

約数の個数: 60

約数和(自身を含む): 529353396

約数和(自身を除く): 309618596

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 641, 857, 1282, 1714, 2564, 3205, 3428, 4285, 5128, 6410, 6856, 8570, 10256, 12820, 13712, 16025, 17140, 21425, 25640, 32050, 34280, 42850, 51280, 64100, 68560, 85700, 128200, 171400, 256400, 342800, 549337, 1098674, 2197348, 2746685, 4394696, 5493370, 8789392, 10986740, 13733425, 21973480, 27466850, 43946960, 54933700, 109867400, 219734800]

約数ペア:

[(1, 219734800), (2, 109867400), (4, 54933700), (5, 43946960), (8, 27466850), (10, 21973480), (16, 13733425), (20, 10986740), (25, 8789392), (40, 5493370), (50, 4394696), (80, 2746685), (100, 2197348), (200, 1098674), (400, 549337), (641, 342800), (857, 256400), (1282, 171400), (1714, 128200), (2564, 85700), (3205, 68560), (3428, 64100), (4285, 51280), (5128, 42850), (6410, 34280), (6856, 32050), (8570, 25640), (10256, 21425), (12820, 17140), (13712, 16025)]