198163700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2161}}^1$

素因数の和:2313

約数の個数: 72

約数和(自身を含む): 495426624

約数和(自身を除く): 297262924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 131, 140, 175, 262, 350, 524, 655, 700, 917, 1310, 1834, 2161, 2620, 3275, 3668, 4322, 4585, 6550, 8644, 9170, 10805, 13100, 15127, 18340, 21610, 22925, 30254, 43220, 45850, 54025, 60508, 75635, 91700, 108050, 151270, 216100, 283091, 302540, 378175, 566182, 756350, 1132364, 1415455, 1512700, 1981637, 2830910, 3963274, 5661820, 7077275, 7926548, 9908185, 14154550, 19816370, 28309100, 39632740, 49540925, 99081850, 198163700]

約数ペア:

[(1, 198163700), (2, 99081850), (4, 49540925), (5, 39632740), (7, 28309100), (10, 19816370), (14, 14154550), (20, 9908185), (25, 7926548), (28, 7077275), (35, 5661820), (50, 3963274), (70, 2830910), (100, 1981637), (131, 1512700), (140, 1415455), (175, 1132364), (262, 756350), (350, 566182), (524, 378175), (655, 302540), (700, 283091), (917, 216100), (1310, 151270), (1834, 108050), (2161, 91700), (2620, 75635), (3275, 60508), (3668, 54025), (4322, 45850), (4585, 43220), (6550, 30254), (8644, 22925), (9170, 21610), (10805, 18340), (13100, 15127)]