253585360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{452831}}^1$

素因数の和:452851

約数の個数: 40

約数和(自身を含む): 673814016

約数和(自身を除く): 420228656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 452831, 905662, 1811324, 2264155, 3169817, 3622648, 4528310, 6339634, 7245296, 9056620, 12679268, 15849085, 18113240, 25358536, 31698170, 36226480, 50717072, 63396340, 126792680, 253585360]

約数ペア:

[(1, 253585360), (2, 126792680), (4, 63396340), (5, 50717072), (7, 36226480), (8, 31698170), (10, 25358536), (14, 18113240), (16, 15849085), (20, 12679268), (28, 9056620), (35, 7245296), (40, 6339634), (56, 4528310), (70, 3622648), (80, 3169817), (112, 2264155), (140, 1811324), (280, 905662), (560, 452831)]