191540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 411432

約数和(自身を除く): 219892

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 157, 244, 305, 314, 610, 628, 785, 1220, 1570, 3140, 9577, 19154, 38308, 47885, 95770, 191540]

約数ペア:

[(1, 191540), (2, 95770), (4, 47885), (5, 38308), (10, 19154), (20, 9577), (61, 3140), (122, 1570), (157, 1220), (244, 785), (305, 628), (314, 610)]