319434640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{570419}}^1$

素因数の和:570439

約数の個数: 40

約数和(自身を含む): 848784960

約数和(自身を除く): 529350320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 570419, 1140838, 2281676, 2852095, 3992933, 4563352, 5704190, 7985866, 9126704, 11408380, 15971732, 19964665, 22816760, 31943464, 39929330, 45633520, 63886928, 79858660, 159717320, 319434640]

約数ペア:

[(1, 319434640), (2, 159717320), (4, 79858660), (5, 63886928), (7, 45633520), (8, 39929330), (10, 31943464), (14, 22816760), (16, 19964665), (20, 15971732), (28, 11408380), (35, 9126704), (40, 7985866), (56, 5704190), (70, 4563352), (80, 3992933), (112, 2852095), (140, 2281676), (280, 1140838), (560, 570419)]