289073260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2064809}}^1$

素因数の和:2064825

約数の個数: 24

約数和(自身を含む): 693776160

約数和(自身を除く): 404702900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2064809, 4129618, 8259236, 10324045, 14453663, 20648090, 28907326, 41296180, 57814652, 72268315, 144536630, 289073260]

約数ペア:

[(1, 289073260), (2, 144536630), (4, 72268315), (5, 57814652), (7, 41296180), (10, 28907326), (14, 20648090), (20, 14453663), (28, 10324045), (35, 8259236), (70, 4129618), (140, 2064809)]