28591990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:146

約数の個数: 96

約数和(自身を含む): 65007360

約数和(自身を除く): 36415370

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 43, 46, 49, 59, 70, 86, 98, 115, 118, 161, 215, 230, 245, 295, 301, 322, 413, 430, 490, 590, 602, 805, 826, 989, 1127, 1357, 1505, 1610, 1978, 2065, 2107, 2254, 2537, 2714, 2891, 3010, 4130, 4214, 4945, 5074, 5635, 5782, 6785, 6923, 9499, 9890, 10535, 11270, 12685, 13570, 13846, 14455, 17759, 18998, 21070, 25370, 28910, 34615, 35518, 47495, 48461, 58351, 66493, 69230, 88795, 94990, 96922, 116702, 124313, 132986, 177590, 242305, 248626, 291755, 332465, 408457, 484610, 583510, 621565, 664930, 816914, 1243130, 2042285, 2859199, 4084570, 5718398, 14295995, 28591990]

約数ペア:

[(1, 28591990), (2, 14295995), (5, 5718398), (7, 4084570), (10, 2859199), (14, 2042285), (23, 1243130), (35, 816914), (43, 664930), (46, 621565), (49, 583510), (59, 484610), (70, 408457), (86, 332465), (98, 291755), (115, 248626), (118, 242305), (161, 177590), (215, 132986), (230, 124313), (245, 116702), (295, 96922), (301, 94990), (322, 88795), (413, 69230), (430, 66493), (490, 58351), (590, 48461), (602, 47495), (805, 35518), (826, 34615), (989, 28910), (1127, 25370), (1357, 21070), (1505, 18998), (1610, 17759), (1978, 14455), (2065, 13846), (2107, 13570), (2254, 12685), (2537, 11270), (2714, 10535), (2891, 9890), (3010, 9499), (4130, 6923), (4214, 6785), (4945, 5782), (5074, 5635)]