63378280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{491}}^1$

素因数の和:970

約数の個数: 64

約数和(自身を含む): 163658880

約数和(自身を除く): 100280600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 461, 491, 922, 982, 1844, 1964, 2305, 2455, 3227, 3437, 3688, 3928, 4610, 4910, 6454, 6874, 9220, 9820, 12908, 13748, 16135, 17185, 18440, 19640, 25816, 27496, 32270, 34370, 64540, 68740, 129080, 137480, 226351, 452702, 905404, 1131755, 1584457, 1810808, 2263510, 3168914, 4527020, 6337828, 7922285, 9054040, 12675656, 15844570, 31689140, 63378280]

約数ペア:

[(1, 63378280), (2, 31689140), (4, 15844570), (5, 12675656), (7, 9054040), (8, 7922285), (10, 6337828), (14, 4527020), (20, 3168914), (28, 2263510), (35, 1810808), (40, 1584457), (56, 1131755), (70, 905404), (140, 452702), (280, 226351), (461, 137480), (491, 129080), (922, 68740), (982, 64540), (1844, 34370), (1964, 32270), (2305, 27496), (2455, 25816), (3227, 19640), (3437, 18440), (3688, 17185), (3928, 16135), (4610, 13748), (4910, 12908), (6454, 9820), (6874, 9220)]