64983380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{42197}}^1$

素因数の和:42224

約数の個数: 48

約数和(自身を含む): 170142336

約数和(自身を除く): 105158956

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 42197, 84394, 168788, 210985, 295379, 421970, 464167, 590758, 843940, 928334, 1181516, 1476895, 1856668, 2320835, 2953790, 3249169, 4641670, 5907580, 6498338, 9283340, 12996676, 16245845, 32491690, 64983380]

約数ペア:

[(1, 64983380), (2, 32491690), (4, 16245845), (5, 12996676), (7, 9283340), (10, 6498338), (11, 5907580), (14, 4641670), (20, 3249169), (22, 2953790), (28, 2320835), (35, 1856668), (44, 1476895), (55, 1181516), (70, 928334), (77, 843940), (110, 590758), (140, 464167), (154, 421970), (220, 295379), (308, 210985), (385, 168788), (770, 84394), (1540, 42197)]