261986480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{467833}}^1$

素因数の和:467853

約数の個数: 40

約数和(自身を含む): 696136992

約数和(自身を除く): 434150512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 467833, 935666, 1871332, 2339165, 3274831, 3742664, 4678330, 6549662, 7485328, 9356660, 13099324, 16374155, 18713320, 26198648, 32748310, 37426640, 52397296, 65496620, 130993240, 261986480]

約数ペア:

[(1, 261986480), (2, 130993240), (4, 65496620), (5, 52397296), (7, 37426640), (8, 32748310), (10, 26198648), (14, 18713320), (16, 16374155), (20, 13099324), (28, 9356660), (35, 7485328), (40, 6549662), (56, 4678330), (70, 3742664), (80, 3274831), (112, 2339165), (140, 1871332), (280, 935666), (560, 467833)]