320916004

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{19}}^2\times {\mathrm{769}}^1$

素因数の和:845

約数の個数: 54

約数和(自身を含む): 630452130

約数和(自身を除く): 309536126

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 289, 323, 361, 578, 646, 722, 769, 1156, 1292, 1444, 1538, 3076, 5491, 6137, 10982, 12274, 13073, 14611, 21964, 24548, 26146, 29222, 52292, 58444, 104329, 208658, 222241, 248387, 277609, 417316, 444482, 496774, 555218, 888964, 993548, 1110436, 4222579, 4719353, 8445158, 9438706, 16890316, 18877412, 80229001, 160458002, 320916004]

約数ペア:

[(1, 320916004), (2, 160458002), (4, 80229001), (17, 18877412), (19, 16890316), (34, 9438706), (38, 8445158), (68, 4719353), (76, 4222579), (289, 1110436), (323, 993548), (361, 888964), (578, 555218), (646, 496774), (722, 444482), (769, 417316), (1156, 277609), (1292, 248387), (1444, 222241), (1538, 208658), (3076, 104329), (5491, 58444), (6137, 52292), (10982, 29222), (12274, 26146), (13073, 24548), (14611, 21964)]