222256720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{396887}}^1$

素因数の和:396907

約数の個数: 40

約数和(自身を含む): 590569344

約数和(自身を除く): 368312624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 396887, 793774, 1587548, 1984435, 2778209, 3175096, 3968870, 5556418, 6350192, 7937740, 11112836, 13891045, 15875480, 22225672, 27782090, 31750960, 44451344, 55564180, 111128360, 222256720]

約数ペア:

[(1, 222256720), (2, 111128360), (4, 55564180), (5, 44451344), (7, 31750960), (8, 27782090), (10, 22225672), (14, 15875480), (16, 13891045), (20, 11112836), (28, 7937740), (35, 6350192), (40, 5556418), (56, 3968870), (70, 3175096), (80, 2778209), (112, 1984435), (140, 1587548), (280, 793774), (560, 396887)]