2955820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 7273728

約数和(自身を除く): 4317908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 491, 602, 860, 982, 1204, 1505, 1964, 2455, 3010, 3437, 4910, 6020, 6874, 9820, 13748, 17185, 21113, 34370, 42226, 68740, 84452, 105565, 147791, 211130, 295582, 422260, 591164, 738955, 1477910, 2955820]

約数ペア:

[(1, 2955820), (2, 1477910), (4, 738955), (5, 591164), (7, 422260), (10, 295582), (14, 211130), (20, 147791), (28, 105565), (35, 84452), (43, 68740), (70, 42226), (86, 34370), (140, 21113), (172, 17185), (215, 13748), (301, 9820), (430, 6874), (491, 6020), (602, 4910), (860, 3437), (982, 3010), (1204, 2455), (1505, 1964)]