263429080

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{907}}^1$

素因数の和:1108

約数の個数: 64

約数和(自身を含む): 608977440

約数和(自身を除く): 345548360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 137, 212, 265, 274, 424, 530, 548, 685, 907, 1060, 1096, 1370, 1814, 2120, 2740, 3628, 4535, 5480, 7256, 7261, 9070, 14522, 18140, 29044, 36280, 36305, 48071, 58088, 72610, 96142, 124259, 145220, 192284, 240355, 248518, 290440, 384568, 480710, 497036, 621295, 961420, 994072, 1242590, 1922840, 2485180, 4970360, 6585727, 13171454, 26342908, 32928635, 52685816, 65857270, 131714540, 263429080]

約数ペア:

[(1, 263429080), (2, 131714540), (4, 65857270), (5, 52685816), (8, 32928635), (10, 26342908), (20, 13171454), (40, 6585727), (53, 4970360), (106, 2485180), (137, 1922840), (212, 1242590), (265, 994072), (274, 961420), (424, 621295), (530, 497036), (548, 480710), (685, 384568), (907, 290440), (1060, 248518), (1096, 240355), (1370, 192284), (1814, 145220), (2120, 124259), (2740, 96142), (3628, 72610), (4535, 58088), (5480, 48071), (7256, 36305), (7261, 36280), (9070, 29044), (14522, 18140)]