50459780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2593}}^1$

素因数の和:2748

約数の個数: 48

約数和(自身を含む): 122021760

約数和(自身を除く): 71561980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2593, 2780, 3892, 4865, 5186, 9730, 10372, 12965, 18151, 19460, 25930, 36302, 51860, 72604, 90755, 181510, 360427, 363020, 720854, 1441708, 1802135, 2522989, 3604270, 5045978, 7208540, 10091956, 12614945, 25229890, 50459780]

約数ペア:

[(1, 50459780), (2, 25229890), (4, 12614945), (5, 10091956), (7, 7208540), (10, 5045978), (14, 3604270), (20, 2522989), (28, 1802135), (35, 1441708), (70, 720854), (139, 363020), (140, 360427), (278, 181510), (556, 90755), (695, 72604), (973, 51860), (1390, 36302), (1946, 25930), (2593, 19460), (2780, 18151), (3892, 12965), (4865, 10372), (5186, 9730)]