1388130140

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{353}}^1\times {\mathrm{2027}}^1$

素因数の和:2486

約数の個数: 48

約数和(自身を含む): 2954925792

約数和(自身を除く): 1566795652

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 353, 388, 485, 706, 970, 1412, 1765, 1940, 2027, 3530, 4054, 7060, 8108, 10135, 20270, 34241, 40540, 68482, 136964, 171205, 196619, 342410, 393238, 684820, 715531, 786476, 983095, 1431062, 1966190, 2862124, 3577655, 3932380, 7155310, 14310620, 69406507, 138813014, 277626028, 347032535, 694065070, 1388130140]

約数ペア:

[(1, 1388130140), (2, 694065070), (4, 347032535), (5, 277626028), (10, 138813014), (20, 69406507), (97, 14310620), (194, 7155310), (353, 3932380), (388, 3577655), (485, 2862124), (706, 1966190), (970, 1431062), (1412, 983095), (1765, 786476), (1940, 715531), (2027, 684820), (3530, 393238), (4054, 342410), (7060, 196619), (8108, 171205), (10135, 136964), (20270, 68482), (34241, 40540)]