222915280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{398063}}^1$

素因数の和:398083

約数の個数: 40

約数和(自身を含む): 592319232

約数和(自身を除く): 369403952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 398063, 796126, 1592252, 1990315, 2786441, 3184504, 3980630, 5572882, 6369008, 7961260, 11145764, 13932205, 15922520, 22291528, 27864410, 31845040, 44583056, 55728820, 111457640, 222915280]

約数ペア:

[(1, 222915280), (2, 111457640), (4, 55728820), (5, 44583056), (7, 31845040), (8, 27864410), (10, 22291528), (14, 15922520), (16, 13932205), (20, 11145764), (28, 7961260), (35, 6369008), (40, 5572882), (56, 3980630), (70, 3184504), (80, 2786441), (112, 1990315), (140, 1592252), (280, 796126), (560, 398063)]