77859460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4001}}^1$

素因数の和:4156

約数の個数: 48

約数和(自身を含む): 188254080

約数和(自身を除く): 110394620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4001, 4865, 8002, 9730, 16004, 19460, 20005, 28007, 40010, 56014, 80020, 112028, 140035, 280070, 556139, 560140, 1112278, 2224556, 2780695, 3892973, 5561390, 7785946, 11122780, 15571892, 19464865, 38929730, 77859460]

約数ペア:

[(1, 77859460), (2, 38929730), (4, 19464865), (5, 15571892), (7, 11122780), (10, 7785946), (14, 5561390), (20, 3892973), (28, 2780695), (35, 2224556), (70, 1112278), (139, 560140), (140, 556139), (278, 280070), (556, 140035), (695, 112028), (973, 80020), (1390, 56014), (1946, 40010), (2780, 28007), (3892, 20005), (4001, 19460), (4865, 16004), (8002, 9730)]