156745374220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1\times {\mathrm{219599}}^1$

素因数の和:220098

約数の個数: 48

約数和(自身を含む): 333695376000

約数和(自身を除く): 176950001780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 401, 445, 802, 890, 1604, 1780, 2005, 4010, 8020, 35689, 71378, 142756, 178445, 219599, 356890, 439198, 713780, 878396, 1097995, 2195990, 4391980, 19544311, 39088622, 78177244, 88059199, 97721555, 176118398, 195443110, 352236796, 390886220, 440295995, 880591990, 1761183980, 7837268711, 15674537422, 31349074844, 39186343555, 78372687110, 156745374220]

約数ペア:

[(1, 156745374220), (2, 78372687110), (4, 39186343555), (5, 31349074844), (10, 15674537422), (20, 7837268711), (89, 1761183980), (178, 880591990), (356, 440295995), (401, 390886220), (445, 352236796), (802, 195443110), (890, 176118398), (1604, 97721555), (1780, 88059199), (2005, 78177244), (4010, 39088622), (8020, 19544311), (35689, 4391980), (71378, 2195990), (142756, 1097995), (178445, 878396), (219599, 713780), (356890, 439198)]