1289766857540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4969}}^1\times {\mathrm{1854019}}^1$

素因数の和:1859004

約数の個数: 48

約数和(自身を含む): 3096065078400

約数和(自身を除く): 1806298220860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4969, 9938, 19876, 24845, 34783, 49690, 69566, 99380, 139132, 173915, 347830, 695660, 1854019, 3708038, 7416076, 9270095, 12978133, 18540190, 25956266, 37080380, 51912532, 64890665, 129781330, 259562660, 9212620411, 18425240822, 36850481644, 46063102055, 64488342877, 92126204110, 128976685754, 184252408220, 257953371508, 322441714385, 644883428770, 1289766857540]

約数ペア:

[(1, 1289766857540), (2, 644883428770), (4, 322441714385), (5, 257953371508), (7, 184252408220), (10, 128976685754), (14, 92126204110), (20, 64488342877), (28, 46063102055), (35, 36850481644), (70, 18425240822), (140, 9212620411), (4969, 259562660), (9938, 129781330), (19876, 64890665), (24845, 51912532), (34783, 37080380), (49690, 25956266), (69566, 18540190), (99380, 12978133), (139132, 9270095), (173915, 7416076), (347830, 3708038), (695660, 1854019)]