64380140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{829}}^1$

素因数の和:1202

約数の個数: 48

約数和(自身を含む): 148085280

約数和(自身を除く): 83705140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 353, 706, 829, 1412, 1658, 1765, 3316, 3530, 3883, 4145, 7060, 7766, 8290, 9119, 15532, 16580, 18238, 19415, 36476, 38830, 45595, 77660, 91190, 182380, 292637, 585274, 1170548, 1463185, 2926370, 3219007, 5852740, 6438014, 12876028, 16095035, 32190070, 64380140]

約数ペア:

[(1, 64380140), (2, 32190070), (4, 16095035), (5, 12876028), (10, 6438014), (11, 5852740), (20, 3219007), (22, 2926370), (44, 1463185), (55, 1170548), (110, 585274), (220, 292637), (353, 182380), (706, 91190), (829, 77660), (1412, 45595), (1658, 38830), (1765, 36476), (3316, 19415), (3530, 18238), (3883, 16580), (4145, 15532), (7060, 9119), (7766, 8290)]