42878740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{683}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 93538368

約数和(自身を除く): 50659628

約数列:

[1, 2, 4, 5, 10, 20, 43, 73, 86, 146, 172, 215, 292, 365, 430, 683, 730, 860, 1366, 1460, 2732, 3139, 3415, 6278, 6830, 12556, 13660, 15695, 29369, 31390, 49859, 58738, 62780, 99718, 117476, 146845, 199436, 249295, 293690, 498590, 587380, 997180, 2143937, 4287874, 8575748, 10719685, 21439370, 42878740]

約数ペア:

[(1, 42878740), (2, 21439370), (4, 10719685), (5, 8575748), (10, 4287874), (20, 2143937), (43, 997180), (73, 587380), (86, 498590), (146, 293690), (172, 249295), (215, 199436), (292, 146845), (365, 117476), (430, 99718), (683, 62780), (730, 58738), (860, 49859), (1366, 31390), (1460, 29369), (2732, 15695), (3139, 13660), (3415, 12556), (6278, 6830)]