271450

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:162

約数の個数: 24

約数和(自身を含む): 518940

約数和(自身を除く): 247490

約数列:

[1, 2, 5, 10, 25, 50, 61, 89, 122, 178, 305, 445, 610, 890, 1525, 2225, 3050, 4450, 5429, 10858, 27145, 54290, 135725, 271450]

約数ペア:

[(1, 271450), (2, 135725), (5, 54290), (10, 27145), (25, 10858), (50, 5429), (61, 4450), (89, 3050), (122, 2225), (178, 1525), (305, 890), (445, 610)]