8399090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 17938584

約数和(自身を除く): 9539494

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 98, 122, 245, 281, 305, 427, 490, 562, 610, 854, 1405, 1967, 2135, 2810, 2989, 3934, 4270, 5978, 9835, 13769, 14945, 17141, 19670, 27538, 29890, 34282, 68845, 85705, 119987, 137690, 171410, 239974, 599935, 839909, 1199870, 1679818, 4199545, 8399090]

約数ペア:

[(1, 8399090), (2, 4199545), (5, 1679818), (7, 1199870), (10, 839909), (14, 599935), (35, 239974), (49, 171410), (61, 137690), (70, 119987), (98, 85705), (122, 68845), (245, 34282), (281, 29890), (305, 27538), (427, 19670), (490, 17141), (562, 14945), (610, 13769), (854, 9835), (1405, 5978), (1967, 4270), (2135, 3934), (2810, 2989)]