199980100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{46507}}^1$

素因数の和:46564

約数の個数: 36

約数和(自身を含む): 444058384

約数和(自身を除く): 244078284

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 46507, 93014, 186028, 232535, 465070, 930140, 1162675, 1999801, 2325350, 3999602, 4650700, 7999204, 9999005, 19998010, 39996020, 49995025, 99990050, 199980100]

約数ペア:

[(1, 199980100), (2, 99990050), (4, 49995025), (5, 39996020), (10, 19998010), (20, 9999005), (25, 7999204), (43, 4650700), (50, 3999602), (86, 2325350), (100, 1999801), (172, 1162675), (215, 930140), (430, 465070), (860, 232535), (1075, 186028), (2150, 93014), (4300, 46507)]