129695900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{68261}}^1$

素因数の和:68294

約数の個数: 36

約数和(自身を含む): 296257080

約数和(自身を除く): 166561180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 68261, 136522, 273044, 341305, 682610, 1296959, 1365220, 1706525, 2593918, 3413050, 5187836, 6484795, 6826100, 12969590, 25939180, 32423975, 64847950, 129695900]

約数ペア:

[(1, 129695900), (2, 64847950), (4, 32423975), (5, 25939180), (10, 12969590), (19, 6826100), (20, 6484795), (25, 5187836), (38, 3413050), (50, 2593918), (76, 1706525), (95, 1365220), (100, 1296959), (190, 682610), (380, 341305), (475, 273044), (950, 136522), (1900, 68261)]