23782780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{661}}^1$

素因数の和:934

約数の個数: 48

約数和(自身を含む): 57387456

約数和(自身を除く): 33604676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 661, 1028, 1285, 1322, 1799, 2570, 2644, 3305, 3598, 4627, 5140, 6610, 7196, 8995, 9254, 13220, 17990, 18508, 23135, 35980, 46270, 92540, 169877, 339754, 679508, 849385, 1189139, 1698770, 2378278, 3397540, 4756556, 5945695, 11891390, 23782780]

約数ペア:

[(1, 23782780), (2, 11891390), (4, 5945695), (5, 4756556), (7, 3397540), (10, 2378278), (14, 1698770), (20, 1189139), (28, 849385), (35, 679508), (70, 339754), (140, 169877), (257, 92540), (514, 46270), (661, 35980), (1028, 23135), (1285, 18508), (1322, 17990), (1799, 13220), (2570, 9254), (2644, 8995), (3305, 7196), (3598, 6610), (4627, 5140)]