859460

素因数分解:

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

素因数の和:900

約数の個数: 36

約数和(自身を含む): 2101932

約数和(自身を除く): 1242472

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 877, 980, 1754, 3508, 4385, 6139, 8770, 12278, 17540, 24556, 30695, 42973, 61390, 85946, 122780, 171892, 214865, 429730, 859460]

約数ペア:

[(1, 859460), (2, 429730), (4, 214865), (5, 171892), (7, 122780), (10, 85946), (14, 61390), (20, 42973), (28, 30695), (35, 24556), (49, 17540), (70, 12278), (98, 8770), (140, 6139), (196, 4385), (245, 3508), (490, 1754), (877, 980)]