2051298140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{13877}}^1$

素因数の和:14294

約数の個数: 48

約数和(自身を含む): 4546432800

約数和(自身を除く): 2495134660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 389, 778, 1556, 1945, 3890, 7391, 7780, 13877, 14782, 27754, 29564, 36955, 55508, 69385, 73910, 138770, 147820, 263663, 277540, 527326, 1054652, 1318315, 2636630, 5273260, 5398153, 10796306, 21592612, 26990765, 53981530, 102564907, 107963060, 205129814, 410259628, 512824535, 1025649070, 2051298140]

約数ペア:

[(1, 2051298140), (2, 1025649070), (4, 512824535), (5, 410259628), (10, 205129814), (19, 107963060), (20, 102564907), (38, 53981530), (76, 26990765), (95, 21592612), (190, 10796306), (380, 5398153), (389, 5273260), (778, 2636630), (1556, 1318315), (1945, 1054652), (3890, 527326), (7391, 277540), (7780, 263663), (13877, 147820), (14782, 138770), (27754, 73910), (29564, 69385), (36955, 55508)]