205718810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:459

約数の個数: 64

約数和(自身を含む): 415494144

約数和(自身を除く): 209775334

約数列:

[1, 2, 5, 10, 11, 22, 55, 67, 103, 110, 134, 206, 271, 335, 515, 542, 670, 737, 1030, 1133, 1355, 1474, 2266, 2710, 2981, 3685, 5665, 5962, 6901, 7370, 11330, 13802, 14905, 18157, 27913, 29810, 34505, 36314, 55826, 69010, 75911, 90785, 139565, 151822, 181570, 199727, 279130, 307043, 379555, 399454, 614086, 759110, 998635, 1535215, 1870171, 1997270, 3070430, 3740342, 9350855, 18701710, 20571881, 41143762, 102859405, 205718810]

約数ペア:

[(1, 205718810), (2, 102859405), (5, 41143762), (10, 20571881), (11, 18701710), (22, 9350855), (55, 3740342), (67, 3070430), (103, 1997270), (110, 1870171), (134, 1535215), (206, 998635), (271, 759110), (335, 614086), (515, 399454), (542, 379555), (670, 307043), (737, 279130), (1030, 199727), (1133, 181570), (1355, 151822), (1474, 139565), (2266, 90785), (2710, 75911), (2981, 69010), (3685, 55826), (5665, 36314), (5962, 34505), (6901, 29810), (7370, 27913), (11330, 18157), (13802, 14905)]