11578420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{433}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 27998208

約数和(自身を除く): 16419788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 382, 433, 764, 866, 955, 1337, 1732, 1910, 2165, 2674, 3031, 3820, 4330, 5348, 6062, 6685, 8660, 12124, 13370, 15155, 26740, 30310, 60620, 82703, 165406, 330812, 413515, 578921, 827030, 1157842, 1654060, 2315684, 2894605, 5789210, 11578420]

約数ペア:

[(1, 11578420), (2, 5789210), (4, 2894605), (5, 2315684), (7, 1654060), (10, 1157842), (14, 827030), (20, 578921), (28, 413515), (35, 330812), (70, 165406), (140, 82703), (191, 60620), (382, 30310), (433, 26740), (764, 15155), (866, 13370), (955, 12124), (1337, 8660), (1732, 6685), (1910, 6062), (2165, 5348), (2674, 4330), (3031, 3820)]