145992280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{521401}}^1$

素因数の和:521419

約数の個数: 32

約数和(自身を含む): 375409440

約数和(自身を除く): 229417160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 521401, 1042802, 2085604, 2607005, 3649807, 4171208, 5214010, 7299614, 10428020, 14599228, 18249035, 20856040, 29198456, 36498070, 72996140, 145992280]

約数ペア:

[(1, 145992280), (2, 72996140), (4, 36498070), (5, 29198456), (7, 20856040), (8, 18249035), (10, 14599228), (14, 10428020), (20, 7299614), (28, 5214010), (35, 4171208), (40, 3649807), (56, 2607005), (70, 2085604), (140, 1042802), (280, 521401)]