131234840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{298261}}^1$

素因数の和:298283

約数の個数: 32

約数和(自身を含む): 322122960

約数和(自身を除く): 190888120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 298261, 596522, 1193044, 1491305, 2386088, 2982610, 3280871, 5965220, 6561742, 11930440, 13123484, 16404355, 26246968, 32808710, 65617420, 131234840]

約数ペア:

[(1, 131234840), (2, 65617420), (4, 32808710), (5, 26246968), (8, 16404355), (10, 13123484), (11, 11930440), (20, 6561742), (22, 5965220), (40, 3280871), (44, 2982610), (55, 2386088), (88, 1491305), (110, 1193044), (220, 596522), (440, 298261)]