665996890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:296

約数の個数: 96

約数和(自身を含む): 1366087680

約数和(自身を除く): 700090790

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 107, 127, 130, 145, 169, 214, 254, 290, 338, 377, 535, 635, 754, 845, 1070, 1270, 1391, 1651, 1690, 1885, 2782, 3103, 3302, 3683, 3770, 4901, 6206, 6955, 7366, 8255, 9802, 13589, 13910, 15515, 16510, 18083, 18415, 21463, 24505, 27178, 31030, 36166, 36830, 40339, 42926, 47879, 49010, 67945, 80678, 90415, 95758, 107315, 135890, 176657, 180830, 201695, 214630, 239395, 353314, 394081, 403390, 478790, 524407, 622427, 788162, 883285, 1048814, 1244854, 1766570, 1970405, 2296541, 2622035, 3112135, 3940810, 4593082, 5123053, 5244070, 6224270, 10246106, 11482705, 22965410, 25615265, 51230530, 66599689, 133199378, 332998445, 665996890]

約数ペア:

[(1, 665996890), (2, 332998445), (5, 133199378), (10, 66599689), (13, 51230530), (26, 25615265), (29, 22965410), (58, 11482705), (65, 10246106), (107, 6224270), (127, 5244070), (130, 5123053), (145, 4593082), (169, 3940810), (214, 3112135), (254, 2622035), (290, 2296541), (338, 1970405), (377, 1766570), (535, 1244854), (635, 1048814), (754, 883285), (845, 788162), (1070, 622427), (1270, 524407), (1391, 478790), (1651, 403390), (1690, 394081), (1885, 353314), (2782, 239395), (3103, 214630), (3302, 201695), (3683, 180830), (3770, 176657), (4901, 135890), (6206, 107315), (6955, 95758), (7366, 90415), (8255, 80678), (9802, 67945), (13589, 49010), (13910, 47879), (15515, 42926), (16510, 40339), (18083, 36830), (18415, 36166), (21463, 31030), (24505, 27178)]