491120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{877}}^1$

素因数の和:897

約数の個数: 40

約数和(自身を含む): 1306464

約数和(自身を除く): 815344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 877, 1754, 3508, 4385, 6139, 7016, 8770, 12278, 14032, 17540, 24556, 30695, 35080, 49112, 61390, 70160, 98224, 122780, 245560, 491120]

約数ペア:

[(1, 491120), (2, 245560), (4, 122780), (5, 98224), (7, 70160), (8, 61390), (10, 49112), (14, 35080), (16, 30695), (20, 24556), (28, 17540), (35, 14032), (40, 12278), (56, 8770), (70, 7016), (80, 6139), (112, 4385), (140, 3508), (280, 1754), (560, 877)]