131890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1$

素因数の和:138

約数の個数: 24

約数和(自身を含む): 263340

約数和(自身を除く): 131450

約数列:

[1, 2, 5, 10, 11, 22, 55, 109, 110, 121, 218, 242, 545, 605, 1090, 1199, 1210, 2398, 5995, 11990, 13189, 26378, 65945, 131890]

約数ペア:

[(1, 131890), (2, 65945), (5, 26378), (10, 13189), (11, 11990), (22, 5995), (55, 2398), (109, 1210), (110, 1199), (121, 1090), (218, 605), (242, 545)]