7400740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 16298352

約数和(自身を除く): 8897612

約数列:

[1, 2, 4, 5, 10, 20, 37, 73, 74, 137, 146, 148, 185, 274, 292, 365, 370, 548, 685, 730, 740, 1370, 1460, 2701, 2740, 5069, 5402, 10001, 10138, 10804, 13505, 20002, 20276, 25345, 27010, 40004, 50005, 50690, 54020, 100010, 101380, 200020, 370037, 740074, 1480148, 1850185, 3700370, 7400740]

約数ペア:

[(1, 7400740), (2, 3700370), (4, 1850185), (5, 1480148), (10, 740074), (20, 370037), (37, 200020), (73, 101380), (74, 100010), (137, 54020), (146, 50690), (148, 50005), (185, 40004), (274, 27010), (292, 25345), (365, 20276), (370, 20002), (548, 13505), (685, 10804), (730, 10138), (740, 10001), (1370, 5402), (1460, 5069), (2701, 2740)]