245560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{877}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 632160

約数和(自身を除く): 386600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 877, 1754, 3508, 4385, 6139, 7016, 8770, 12278, 17540, 24556, 30695, 35080, 49112, 61390, 122780, 245560]

約数ペア:

[(1, 245560), (2, 122780), (4, 61390), (5, 49112), (7, 35080), (8, 30695), (10, 24556), (14, 17540), (20, 12278), (28, 8770), (35, 7016), (40, 6139), (56, 4385), (70, 3508), (140, 1754), (280, 877)]