394388960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{352133}}^1$

素因数の和:352155

約数の個数: 48

約数和(自身を含む): 1064853216

約数和(自身を除く): 670464256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 352133, 704266, 1408532, 1760665, 2464931, 2817064, 3521330, 4929862, 5634128, 7042660, 9859724, 11268256, 12324655, 14085320, 19719448, 24649310, 28170640, 39438896, 49298620, 56341280, 78877792, 98597240, 197194480, 394388960]

約数ペア:

[(1, 394388960), (2, 197194480), (4, 98597240), (5, 78877792), (7, 56341280), (8, 49298620), (10, 39438896), (14, 28170640), (16, 24649310), (20, 19719448), (28, 14085320), (32, 12324655), (35, 11268256), (40, 9859724), (56, 7042660), (70, 5634128), (80, 4929862), (112, 3521330), (140, 2817064), (160, 2464931), (224, 1760665), (280, 1408532), (560, 704266), (1120, 352133)]