218556470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{523}}^1$

素因数の和:701

約数の個数: 64

約数和(自身を含む): 448208640

約数和(自身を除く): 229652170

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 131, 145, 262, 290, 319, 523, 638, 655, 1046, 1310, 1441, 1595, 2615, 2882, 3190, 3799, 5230, 5753, 7205, 7598, 11506, 14410, 15167, 18995, 28765, 30334, 37990, 41789, 57530, 68513, 75835, 83578, 137026, 151670, 166837, 208945, 333674, 342565, 417890, 685130, 753643, 834185, 1507286, 1668370, 1986877, 3768215, 3973754, 7536430, 9934385, 19868770, 21855647, 43711294, 109278235, 218556470]

約数ペア:

[(1, 218556470), (2, 109278235), (5, 43711294), (10, 21855647), (11, 19868770), (22, 9934385), (29, 7536430), (55, 3973754), (58, 3768215), (110, 1986877), (131, 1668370), (145, 1507286), (262, 834185), (290, 753643), (319, 685130), (523, 417890), (638, 342565), (655, 333674), (1046, 208945), (1310, 166837), (1441, 151670), (1595, 137026), (2615, 83578), (2882, 75835), (3190, 68513), (3799, 57530), (5230, 41789), (5753, 37990), (7205, 30334), (7598, 28765), (11506, 18995), (14410, 15167)]