221550260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{25349}}^1$

素因数の和:25400

約数の個数: 48

約数和(自身を含む): 511056000

約数和(自身を除く): 289505740

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 25349, 50698, 101396, 126745, 253490, 481631, 506980, 583027, 963262, 1166054, 1926524, 2332108, 2408155, 2915135, 4816310, 5830270, 9632620, 11077513, 11660540, 22155026, 44310052, 55387565, 110775130, 221550260]

約数ペア:

[(1, 221550260), (2, 110775130), (4, 55387565), (5, 44310052), (10, 22155026), (19, 11660540), (20, 11077513), (23, 9632620), (38, 5830270), (46, 4816310), (76, 2915135), (92, 2408155), (95, 2332108), (115, 1926524), (190, 1166054), (230, 963262), (380, 583027), (437, 506980), (460, 481631), (874, 253490), (1748, 126745), (2185, 101396), (4370, 50698), (8740, 25349)]