279861440

素因数分解:

$2^6\times 5^1\times {\mathrm{874567}}^1$

素因数の和:874584

約数の個数: 28

約数和(自身を含む): 666420816

約数和(自身を除く): 386559376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 874567, 1749134, 3498268, 4372835, 6996536, 8745670, 13993072, 17491340, 27986144, 34982680, 55972288, 69965360, 139930720, 279861440]

約数ペア:

[(1, 279861440), (2, 139930720), (4, 69965360), (5, 55972288), (8, 34982680), (10, 27986144), (16, 17491340), (20, 13993072), (32, 8745670), (40, 6996536), (64, 4372835), (80, 3498268), (160, 1749134), (320, 874567)]