144440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 341280

約数和(自身を除く): 196840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 157, 184, 230, 314, 460, 628, 785, 920, 1256, 1570, 3140, 3611, 6280, 7222, 14444, 18055, 28888, 36110, 72220, 144440]

約数ペア:

[(1, 144440), (2, 72220), (4, 36110), (5, 28888), (8, 18055), (10, 14444), (20, 7222), (23, 6280), (40, 3611), (46, 3140), (92, 1570), (115, 1256), (157, 920), (184, 785), (230, 628), (314, 460)]