254124080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{4493}}^1$

素因数の和:4614

約数の個数: 80

約数和(自身を含む): 682081344

約数和(自身を除く): 427957264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 280, 404, 505, 560, 707, 808, 1010, 1414, 1616, 2020, 2828, 3535, 4040, 4493, 5656, 7070, 8080, 8986, 11312, 14140, 17972, 22465, 28280, 31451, 35944, 44930, 56560, 62902, 71888, 89860, 125804, 157255, 179720, 251608, 314510, 359440, 453793, 503216, 629020, 907586, 1258040, 1815172, 2268965, 2516080, 3176551, 3630344, 4537930, 6353102, 7260688, 9075860, 12706204, 15882755, 18151720, 25412408, 31765510, 36303440, 50824816, 63531020, 127062040, 254124080]

約数ペア:

[(1, 254124080), (2, 127062040), (4, 63531020), (5, 50824816), (7, 36303440), (8, 31765510), (10, 25412408), (14, 18151720), (16, 15882755), (20, 12706204), (28, 9075860), (35, 7260688), (40, 6353102), (56, 4537930), (70, 3630344), (80, 3176551), (101, 2516080), (112, 2268965), (140, 1815172), (202, 1258040), (280, 907586), (404, 629020), (505, 503216), (560, 453793), (707, 359440), (808, 314510), (1010, 251608), (1414, 179720), (1616, 157255), (2020, 125804), (2828, 89860), (3535, 71888), (4040, 62902), (4493, 56560), (5656, 44930), (7070, 35944), (8080, 31451), (8986, 28280), (11312, 22465), (14140, 17972)]