1990201638

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{859}}^1$

素因数の和:1153

約数の個数: 64

約数和(自身を含む): 4224430080

約数和(自身を除く): 2234228442

約数列:

[1, 2, 3, 6, 23, 46, 69, 103, 138, 163, 206, 309, 326, 489, 618, 859, 978, 1718, 2369, 2577, 3749, 4738, 5154, 7107, 7498, 11247, 14214, 16789, 19757, 22494, 33578, 39514, 50367, 59271, 88477, 100734, 118542, 140017, 176954, 265431, 280034, 386147, 420051, 530862, 772294, 840102, 1158441, 2034971, 2316882, 3220391, 4069942, 6104913, 6440782, 9661173, 12209826, 14421751, 19322346, 28843502, 43265253, 86530506, 331700273, 663400546, 995100819, 1990201638]

約数ペア:

[(1, 1990201638), (2, 995100819), (3, 663400546), (6, 331700273), (23, 86530506), (46, 43265253), (69, 28843502), (103, 19322346), (138, 14421751), (163, 12209826), (206, 9661173), (309, 6440782), (326, 6104913), (489, 4069942), (618, 3220391), (859, 2316882), (978, 2034971), (1718, 1158441), (2369, 840102), (2577, 772294), (3749, 530862), (4738, 420051), (5154, 386147), (7107, 280034), (7498, 265431), (11247, 176954), (14214, 140017), (16789, 118542), (19757, 100734), (22494, 88477), (33578, 59271), (39514, 50367)]