187919120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{123631}}^1$

素因数の和:123663

約数の個数: 40

約数和(自身を含む): 459911040

約数和(自身を除く): 271991920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 123631, 247262, 494524, 618155, 989048, 1236310, 1978096, 2348989, 2472620, 4697978, 4945240, 9395956, 9890480, 11744945, 18791912, 23489890, 37583824, 46979780, 93959560, 187919120]

約数ペア:

[(1, 187919120), (2, 93959560), (4, 46979780), (5, 37583824), (8, 23489890), (10, 18791912), (16, 11744945), (19, 9890480), (20, 9395956), (38, 4945240), (40, 4697978), (76, 2472620), (80, 2348989), (95, 1978096), (152, 1236310), (190, 989048), (304, 618155), (380, 494524), (760, 247262), (1520, 123631)]