223376720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{398887}}^1$

素因数の和:398907

約数の個数: 40

約数和(自身を含む): 593545344

約数和(自身を除く): 370168624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 398887, 797774, 1595548, 1994435, 2792209, 3191096, 3988870, 5584418, 6382192, 7977740, 11168836, 13961045, 15955480, 22337672, 27922090, 31910960, 44675344, 55844180, 111688360, 223376720]

約数ペア:

[(1, 223376720), (2, 111688360), (4, 55844180), (5, 44675344), (7, 31910960), (8, 27922090), (10, 22337672), (14, 15955480), (16, 13961045), (20, 11168836), (28, 7977740), (35, 6382192), (40, 5584418), (56, 3988870), (70, 3191096), (80, 2792209), (112, 1994435), (140, 1595548), (280, 797774), (560, 398887)]