197780436

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4999}}^1$

素因数の和:5173

約数の個数: 72

約数和(自身を含む): 575120000

約数和(自身を除く): 377339564

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 157, 252, 314, 471, 628, 942, 1099, 1413, 1884, 2198, 2826, 3297, 4396, 4999, 5652, 6594, 9891, 9998, 13188, 14997, 19782, 19996, 29994, 34993, 39564, 44991, 59988, 69986, 89982, 104979, 139972, 179964, 209958, 314937, 419916, 629874, 784843, 1259748, 1569686, 2354529, 3139372, 4709058, 5493901, 7063587, 9418116, 10987802, 14127174, 16481703, 21975604, 28254348, 32963406, 49445109, 65926812, 98890218, 197780436]

約数ペア:

[(1, 197780436), (2, 98890218), (3, 65926812), (4, 49445109), (6, 32963406), (7, 28254348), (9, 21975604), (12, 16481703), (14, 14127174), (18, 10987802), (21, 9418116), (28, 7063587), (36, 5493901), (42, 4709058), (63, 3139372), (84, 2354529), (126, 1569686), (157, 1259748), (252, 784843), (314, 629874), (471, 419916), (628, 314937), (942, 209958), (1099, 179964), (1413, 139972), (1884, 104979), (2198, 89982), (2826, 69986), (3297, 59988), (4396, 44991), (4999, 39564), (5652, 34993), (6594, 29994), (9891, 19996), (9998, 19782), (13188, 14997)]