1285270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 48

約数和(自身を含む): 2798928

約数和(自身を除く): 1513658

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 49, 61, 70, 86, 98, 122, 215, 245, 301, 305, 427, 430, 490, 602, 610, 854, 1505, 2107, 2135, 2623, 2989, 3010, 4214, 4270, 5246, 5978, 10535, 13115, 14945, 18361, 21070, 26230, 29890, 36722, 91805, 128527, 183610, 257054, 642635, 1285270]

約数ペア:

[(1, 1285270), (2, 642635), (5, 257054), (7, 183610), (10, 128527), (14, 91805), (35, 36722), (43, 29890), (49, 26230), (61, 21070), (70, 18361), (86, 14945), (98, 13115), (122, 10535), (215, 5978), (245, 5246), (301, 4270), (305, 4214), (427, 3010), (430, 2989), (490, 2623), (602, 2135), (610, 2107), (854, 1505)]