1229042990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{587}}^1\times {\mathrm{4273}}^1$

素因数の和:4881

約数の個数: 48

約数和(自身を含む): 2578452912

約数和(自身を除く): 1349409922

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 587, 1174, 2935, 4109, 4273, 5870, 8218, 8546, 20545, 21365, 28763, 29911, 41090, 42730, 57526, 59822, 143815, 149555, 209377, 287630, 299110, 418754, 1046885, 2093770, 2508251, 5016502, 12541255, 17557757, 25082510, 35115514, 87788785, 122904299, 175577570, 245808598, 614521495, 1229042990]

約数ペア:

[(1, 1229042990), (2, 614521495), (5, 245808598), (7, 175577570), (10, 122904299), (14, 87788785), (35, 35115514), (49, 25082510), (70, 17557757), (98, 12541255), (245, 5016502), (490, 2508251), (587, 2093770), (1174, 1046885), (2935, 418754), (4109, 299110), (4273, 287630), (5870, 209377), (8218, 149555), (8546, 143815), (20545, 59822), (21365, 57526), (28763, 42730), (29911, 41090)]