245532280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{3863}}^1$

素因数の和:4108

約数の個数: 64

約数和(自身を含む): 634314240

約数和(自身を除く): 388781960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 227, 280, 454, 908, 1135, 1589, 1816, 2270, 3178, 3863, 4540, 6356, 7726, 7945, 9080, 12712, 15452, 15890, 19315, 27041, 30904, 31780, 38630, 54082, 63560, 77260, 108164, 135205, 154520, 216328, 270410, 540820, 876901, 1081640, 1753802, 3507604, 4384505, 6138307, 7015208, 8769010, 12276614, 17538020, 24553228, 30691535, 35076040, 49106456, 61383070, 122766140, 245532280]

約数ペア:

[(1, 245532280), (2, 122766140), (4, 61383070), (5, 49106456), (7, 35076040), (8, 30691535), (10, 24553228), (14, 17538020), (20, 12276614), (28, 8769010), (35, 7015208), (40, 6138307), (56, 4384505), (70, 3507604), (140, 1753802), (227, 1081640), (280, 876901), (454, 540820), (908, 270410), (1135, 216328), (1589, 154520), (1816, 135205), (2270, 108164), (3178, 77260), (3863, 63560), (4540, 54082), (6356, 38630), (7726, 31780), (7945, 30904), (9080, 27041), (12712, 19315), (15452, 15890)]