281199520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{251071}}^1$

素因数の和:251093

約数の個数: 48

約数和(自身を含む): 759241728

約数和(自身を除く): 478042208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 251071, 502142, 1004284, 1255355, 1757497, 2008568, 2510710, 3514994, 4017136, 5021420, 7029988, 8034272, 8787485, 10042840, 14059976, 17574970, 20085680, 28119952, 35149940, 40171360, 56239904, 70299880, 140599760, 281199520]

約数ペア:

[(1, 281199520), (2, 140599760), (4, 70299880), (5, 56239904), (7, 40171360), (8, 35149940), (10, 28119952), (14, 20085680), (16, 17574970), (20, 14059976), (28, 10042840), (32, 8787485), (35, 8034272), (40, 7029988), (56, 5021420), (70, 4017136), (80, 3514994), (112, 2510710), (140, 2008568), (160, 1757497), (224, 1255355), (280, 1004284), (560, 502142), (1120, 251071)]