1557283210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{421}}^1\times {\mathrm{7549}}^1$

素因数の和:7991

約数の個数: 48

約数和(自身を含む): 3268938600

約数和(自身を除く): 1711655390

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 421, 490, 842, 2105, 2947, 4210, 5894, 7549, 14735, 15098, 20629, 29470, 37745, 41258, 52843, 75490, 103145, 105686, 206290, 264215, 369901, 528430, 739802, 1849505, 3178129, 3699010, 6356258, 15890645, 22246903, 31781290, 44493806, 111234515, 155728321, 222469030, 311456642, 778641605, 1557283210]

約数ペア:

[(1, 1557283210), (2, 778641605), (5, 311456642), (7, 222469030), (10, 155728321), (14, 111234515), (35, 44493806), (49, 31781290), (70, 22246903), (98, 15890645), (245, 6356258), (421, 3699010), (490, 3178129), (842, 1849505), (2105, 739802), (2947, 528430), (4210, 369901), (5894, 264215), (7549, 206290), (14735, 105686), (15098, 103145), (20629, 75490), (29470, 52843), (37745, 41258)]