142490320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{254447}}^1$

素因数の和:254467

約数の個数: 40

約数和(自身を含む): 378618624

約数和(自身を除く): 236128304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 254447, 508894, 1017788, 1272235, 1781129, 2035576, 2544470, 3562258, 4071152, 5088940, 7124516, 8905645, 10177880, 14249032, 17811290, 20355760, 28498064, 35622580, 71245160, 142490320]

約数ペア:

[(1, 142490320), (2, 71245160), (4, 35622580), (5, 28498064), (7, 20355760), (8, 17811290), (10, 14249032), (14, 10177880), (16, 8905645), (20, 7124516), (28, 5088940), (35, 4071152), (40, 3562258), (56, 2544470), (70, 2035576), (80, 1781129), (112, 1272235), (140, 1017788), (280, 508894), (560, 254447)]