138622480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{91199}}^1$

素因数の和:91231

約数の個数: 40

約数和(自身を含む): 339264000

約数和(自身を除く): 200641520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 91199, 182398, 364796, 455995, 729592, 911990, 1459184, 1732781, 1823980, 3465562, 3647960, 6931124, 7295920, 8663905, 13862248, 17327810, 27724496, 34655620, 69311240, 138622480]

約数ペア:

[(1, 138622480), (2, 69311240), (4, 34655620), (5, 27724496), (8, 17327810), (10, 13862248), (16, 8663905), (19, 7295920), (20, 6931124), (38, 3647960), (40, 3465562), (76, 1823980), (80, 1732781), (95, 1459184), (152, 911990), (190, 729592), (304, 455995), (380, 364796), (760, 182398), (1520, 91199)]