143338660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{19853}}^1$

素因数の和:19900

約数の個数: 36

約数和(自身を含む): 317703708

約数和(自身を除く): 174365048

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 19853, 39706, 79412, 99265, 198530, 377207, 397060, 754414, 1508828, 1886035, 3772070, 7166933, 7544140, 14333866, 28667732, 35834665, 71669330, 143338660]

約数ペア:

[(1, 143338660), (2, 71669330), (4, 35834665), (5, 28667732), (10, 14333866), (19, 7544140), (20, 7166933), (38, 3772070), (76, 1886035), (95, 1508828), (190, 754414), (361, 397060), (380, 377207), (722, 198530), (1444, 99265), (1805, 79412), (3610, 39706), (7220, 19853)]