1999996838405

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{1117}}^1\times {\mathrm{1483}}^1$

素因数の和:2874

約数の個数: 64

約数和(自身を含む): 2580250982400

約数和(自身を除く): 580254143995

約数列:

[1, 5, 19, 71, 95, 179, 355, 895, 1117, 1349, 1483, 3401, 5585, 6745, 7415, 12709, 17005, 21223, 28177, 63545, 79307, 105293, 106115, 140885, 199943, 241471, 265457, 396535, 526465, 999715, 1207355, 1327285, 1506833, 1656511, 2000567, 3798917, 5043683, 7534165, 8282555, 10002835, 14195953, 18847447, 18994585, 25218415, 31473709, 70979765, 94237235, 117612281, 157368545, 269723107, 296515469, 358101493, 588061405, 1348615535, 1482577345, 1790507465, 2234633339, 5633793911, 11173166695, 21052598299, 28168969555, 105262991495, 399999367681, 1999996838405]

約数ペア:

[(1, 1999996838405), (5, 399999367681), (19, 105262991495), (71, 28168969555), (95, 21052598299), (179, 11173166695), (355, 5633793911), (895, 2234633339), (1117, 1790507465), (1349, 1482577345), (1483, 1348615535), (3401, 588061405), (5585, 358101493), (6745, 296515469), (7415, 269723107), (12709, 157368545), (17005, 117612281), (21223, 94237235), (28177, 70979765), (63545, 31473709), (79307, 25218415), (105293, 18994585), (106115, 18847447), (140885, 14195953), (199943, 10002835), (241471, 8282555), (265457, 7534165), (396535, 5043683), (526465, 3798917), (999715, 2000567), (1207355, 1656511), (1327285, 1506833)]