303380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 798336

約数和(自身を除く): 494956

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 197, 220, 308, 385, 394, 770, 788, 985, 1379, 1540, 1970, 2167, 2758, 3940, 4334, 5516, 6895, 8668, 10835, 13790, 15169, 21670, 27580, 30338, 43340, 60676, 75845, 151690, 303380]

約数ペア:

[(1, 303380), (2, 151690), (4, 75845), (5, 60676), (7, 43340), (10, 30338), (11, 27580), (14, 21670), (20, 15169), (22, 13790), (28, 10835), (35, 8668), (44, 6895), (55, 5516), (70, 4334), (77, 3940), (110, 2758), (140, 2167), (154, 1970), (197, 1540), (220, 1379), (308, 985), (385, 788), (394, 770)]