204776180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{31121}}^1$

素因数の和:31184

約数の個数: 48

約数和(自身を含む): 501935616

約数和(自身を除く): 297159436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 31121, 62242, 124484, 155605, 217847, 311210, 435694, 622420, 871388, 1089235, 1462687, 2178470, 2925374, 4356940, 5850748, 7313435, 10238809, 14626870, 20477618, 29253740, 40955236, 51194045, 102388090, 204776180]

約数ペア:

[(1, 204776180), (2, 102388090), (4, 51194045), (5, 40955236), (7, 29253740), (10, 20477618), (14, 14626870), (20, 10238809), (28, 7313435), (35, 5850748), (47, 4356940), (70, 2925374), (94, 2178470), (140, 1462687), (188, 1089235), (235, 871388), (329, 622420), (470, 435694), (658, 311210), (940, 217847), (1316, 155605), (1645, 124484), (3290, 62242), (6580, 31121)]