338442920

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{83773}}^1$

素因数の和:83885

約数の個数: 32

約数和(自身を含む): 769045320

約数和(自身を除く): 430602400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 83773, 167546, 335092, 418865, 670184, 837730, 1675460, 3350920, 8461073, 16922146, 33844292, 42305365, 67688584, 84610730, 169221460, 338442920]

約数ペア:

[(1, 338442920), (2, 169221460), (4, 84610730), (5, 67688584), (8, 42305365), (10, 33844292), (20, 16922146), (40, 8461073), (101, 3350920), (202, 1675460), (404, 837730), (505, 670184), (808, 418865), (1010, 335092), (2020, 167546), (4040, 83773)]