53339720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{967}}^1$

素因数の和:1182

約数の個数: 64

約数和(自身を含む): 137998080

約数和(自身を除く): 84658360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 967, 985, 1379, 1576, 1934, 1970, 2758, 3868, 3940, 4835, 5516, 6769, 6895, 7736, 7880, 9670, 11032, 13538, 13790, 19340, 27076, 27580, 33845, 38680, 54152, 55160, 67690, 135380, 190499, 270760, 380998, 761996, 952495, 1333493, 1523992, 1904990, 2666986, 3809980, 5333972, 6667465, 7619960, 10667944, 13334930, 26669860, 53339720]

約数ペア:

[(1, 53339720), (2, 26669860), (4, 13334930), (5, 10667944), (7, 7619960), (8, 6667465), (10, 5333972), (14, 3809980), (20, 2666986), (28, 1904990), (35, 1523992), (40, 1333493), (56, 952495), (70, 761996), (140, 380998), (197, 270760), (280, 190499), (394, 135380), (788, 67690), (967, 55160), (985, 54152), (1379, 38680), (1576, 33845), (1934, 27580), (1970, 27076), (2758, 19340), (3868, 13790), (3940, 13538), (4835, 11032), (5516, 9670), (6769, 7880), (6895, 7736)]