248891170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{25423}}^1$

素因数の和:25530

約数の個数: 32

約数和(自身を含む): 494242560

約数和(自身を除く): 245351390

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 4895, 9790, 25423, 50846, 127115, 254230, 279653, 559306, 1398265, 2262647, 2796530, 4525294, 11313235, 22626470, 24889117, 49778234, 124445585, 248891170]

約数ペア:

[(1, 248891170), (2, 124445585), (5, 49778234), (10, 24889117), (11, 22626470), (22, 11313235), (55, 4525294), (89, 2796530), (110, 2262647), (178, 1398265), (445, 559306), (890, 279653), (979, 254230), (1958, 127115), (4895, 50846), (9790, 25423)]