217621360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3691}}^1$

素因数の和:3782

約数の個数: 80

約数和(自身を含む): 560356992

約数和(自身を除く): 342735632

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 67, 80, 88, 110, 134, 176, 220, 268, 335, 440, 536, 670, 737, 880, 1072, 1340, 1474, 2680, 2948, 3685, 3691, 5360, 5896, 7370, 7382, 11792, 14740, 14764, 18455, 29480, 29528, 36910, 40601, 58960, 59056, 73820, 81202, 147640, 162404, 203005, 247297, 295280, 324808, 406010, 494594, 649616, 812020, 989188, 1236485, 1624040, 1978376, 2472970, 2720267, 3248080, 3956752, 4945940, 5440534, 9891880, 10881068, 13601335, 19783760, 21762136, 27202670, 43524272, 54405340, 108810680, 217621360]

約数ペア:

[(1, 217621360), (2, 108810680), (4, 54405340), (5, 43524272), (8, 27202670), (10, 21762136), (11, 19783760), (16, 13601335), (20, 10881068), (22, 9891880), (40, 5440534), (44, 4945940), (55, 3956752), (67, 3248080), (80, 2720267), (88, 2472970), (110, 1978376), (134, 1624040), (176, 1236485), (220, 989188), (268, 812020), (335, 649616), (440, 494594), (536, 406010), (670, 324808), (737, 295280), (880, 247297), (1072, 203005), (1340, 162404), (1474, 147640), (2680, 81202), (2948, 73820), (3685, 59056), (3691, 58960), (5360, 40601), (5896, 36910), (7370, 29528), (7382, 29480), (11792, 18455), (14740, 14764)]