159781580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{4547}}^1$

素因数の和:4814

約数の個数: 48

約数和(自身を含む): 385088256

約数和(自身を除く): 225306676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 1004, 1255, 1757, 2510, 3514, 4547, 5020, 7028, 8785, 9094, 17570, 18188, 22735, 31829, 35140, 45470, 63658, 90940, 127316, 159145, 318290, 636580, 1141297, 2282594, 4565188, 5706485, 7989079, 11412970, 15978158, 22825940, 31956316, 39945395, 79890790, 159781580]

約数ペア:

[(1, 159781580), (2, 79890790), (4, 39945395), (5, 31956316), (7, 22825940), (10, 15978158), (14, 11412970), (20, 7989079), (28, 5706485), (35, 4565188), (70, 2282594), (140, 1141297), (251, 636580), (502, 318290), (1004, 159145), (1255, 127316), (1757, 90940), (2510, 63658), (3514, 45470), (4547, 35140), (5020, 31829), (7028, 22735), (8785, 18188), (9094, 17570)]