218425360

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{40751}}^1$

素因数の和:40831

約数の個数: 40

約数和(自身を含む): 515431296

約数和(自身を除く): 297005936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 40751, 81502, 163004, 203755, 326008, 407510, 652016, 815020, 1630040, 2730317, 3260080, 5460634, 10921268, 13651585, 21842536, 27303170, 43685072, 54606340, 109212680, 218425360]

約数ペア:

[(1, 218425360), (2, 109212680), (4, 54606340), (5, 43685072), (8, 27303170), (10, 21842536), (16, 13651585), (20, 10921268), (40, 5460634), (67, 3260080), (80, 2730317), (134, 1630040), (268, 815020), (335, 652016), (536, 407510), (670, 326008), (1072, 203755), (1340, 163004), (2680, 81502), (5360, 40751)]