439958020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{353}}^1\times {\mathrm{617}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 937219248

約数和(自身を除く): 497261228

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 353, 404, 505, 617, 706, 1010, 1234, 1412, 1765, 2020, 2468, 3085, 3530, 6170, 7060, 12340, 35653, 62317, 71306, 124634, 142612, 178265, 217801, 249268, 311585, 356530, 435602, 623170, 713060, 871204, 1089005, 1246340, 2178010, 4356020, 21997901, 43995802, 87991604, 109989505, 219979010, 439958020]

約数ペア:

[(1, 439958020), (2, 219979010), (4, 109989505), (5, 87991604), (10, 43995802), (20, 21997901), (101, 4356020), (202, 2178010), (353, 1246340), (404, 1089005), (505, 871204), (617, 713060), (706, 623170), (1010, 435602), (1234, 356530), (1412, 311585), (1765, 249268), (2020, 217801), (2468, 178265), (3085, 142612), (3530, 124634), (6170, 71306), (7060, 62317), (12340, 35653)]