209700910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{12401}}^1$

素因数の和:12516

約数の個数: 32

約数和(自身を含む): 401824800

約数和(自身を除く): 192123890

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 890, 1691, 3382, 8455, 12401, 16910, 24802, 62005, 124010, 235619, 471238, 1103689, 1178095, 2207378, 2356190, 5518445, 11036890, 20970091, 41940182, 104850455, 209700910]

約数ペア:

[(1, 209700910), (2, 104850455), (5, 41940182), (10, 20970091), (19, 11036890), (38, 5518445), (89, 2356190), (95, 2207378), (178, 1178095), (190, 1103689), (445, 471238), (890, 235619), (1691, 124010), (3382, 62005), (8455, 24802), (12401, 16910)]