31655860

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 68443200

約数和(自身を除く): 36787340

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 139, 193, 236, 278, 295, 386, 556, 590, 695, 772, 965, 1180, 1390, 1930, 2780, 3860, 8201, 11387, 16402, 22774, 26827, 32804, 41005, 45548, 53654, 56935, 82010, 107308, 113870, 134135, 164020, 227740, 268270, 536540, 1582793, 3165586, 6331172, 7913965, 15827930, 31655860]

約数ペア:

[(1, 31655860), (2, 15827930), (4, 7913965), (5, 6331172), (10, 3165586), (20, 1582793), (59, 536540), (118, 268270), (139, 227740), (193, 164020), (236, 134135), (278, 113870), (295, 107308), (386, 82010), (556, 56935), (590, 53654), (695, 45548), (772, 41005), (965, 32804), (1180, 26827), (1390, 22774), (1930, 16402), (2780, 11387), (3860, 8201)]