142876280

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{22751}}^1$

素因数の和:22919

約数の個数: 32

約数和(自身を含む): 323533440

約数和(自身を除く): 180657160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 22751, 45502, 91004, 113755, 182008, 227510, 455020, 910040, 3571907, 7143814, 14287628, 17859535, 28575256, 35719070, 71438140, 142876280]

約数ペア:

[(1, 142876280), (2, 71438140), (4, 35719070), (5, 28575256), (8, 17859535), (10, 14287628), (20, 7143814), (40, 3571907), (157, 910040), (314, 455020), (628, 227510), (785, 182008), (1256, 113755), (1570, 91004), (3140, 45502), (6280, 22751)]