86380280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{308501}}^1$

素因数の和:308519

約数の個数: 32

約数和(自身を含む): 222121440

約数和(自身を除く): 135741160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 308501, 617002, 1234004, 1542505, 2159507, 2468008, 3085010, 4319014, 6170020, 8638028, 10797535, 12340040, 17276056, 21595070, 43190140, 86380280]

約数ペア:

[(1, 86380280), (2, 43190140), (4, 21595070), (5, 17276056), (7, 12340040), (8, 10797535), (10, 8638028), (14, 6170020), (20, 4319014), (28, 3085010), (35, 2468008), (40, 2159507), (56, 1542505), (70, 1234004), (140, 617002), (280, 308501)]