142643480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{509441}}^1$

素因数の和:509459

約数の個数: 32

約数和(自身を含む): 366798240

約数和(自身を除く): 224154760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 509441, 1018882, 2037764, 2547205, 3566087, 4075528, 5094410, 7132174, 10188820, 14264348, 17830435, 20377640, 28528696, 35660870, 71321740, 142643480]

約数ペア:

[(1, 142643480), (2, 71321740), (4, 35660870), (5, 28528696), (7, 20377640), (8, 17830435), (10, 14264348), (14, 10188820), (20, 7132174), (28, 5094410), (35, 4075528), (40, 3566087), (56, 2547205), (70, 2037764), (140, 1018882), (280, 509441)]