61382440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{219223}}^1$

素因数の和:219241

約数の個数: 32

約数和(自身を含む): 157841280

約数和(自身を除く): 96458840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 219223, 438446, 876892, 1096115, 1534561, 1753784, 2192230, 3069122, 4384460, 6138244, 7672805, 8768920, 12276488, 15345610, 30691220, 61382440]

約数ペア:

[(1, 61382440), (2, 30691220), (4, 15345610), (5, 12276488), (7, 8768920), (8, 7672805), (10, 6138244), (14, 4384460), (20, 3069122), (28, 2192230), (35, 1753784), (40, 1534561), (56, 1096115), (70, 876892), (140, 438446), (280, 219223)]