171918140

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{54751}}^1$

素因数の和:54917

約数の個数: 24

約数和(自身を含む): 363334272

約数和(自身を除く): 191416132

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 54751, 109502, 219004, 273755, 547510, 1095020, 8595907, 17191814, 34383628, 42979535, 85959070, 171918140]

約数ペア:

[(1, 171918140), (2, 85959070), (4, 42979535), (5, 34383628), (10, 17191814), (20, 8595907), (157, 1095020), (314, 547510), (628, 273755), (785, 219004), (1570, 109502), (3140, 54751)]