7829870

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:320

約数の個数: 32

約数和(自身を含む): 14636160

約数和(自身を除く): 6806290

約数列:

[1, 2, 5, 10, 43, 86, 131, 139, 215, 262, 278, 430, 655, 695, 1310, 1390, 5633, 5977, 11266, 11954, 18209, 28165, 29885, 36418, 56330, 59770, 91045, 182090, 782987, 1565974, 3914935, 7829870]

約数ペア:

[(1, 7829870), (2, 3914935), (5, 1565974), (10, 782987), (43, 182090), (86, 91045), (131, 59770), (139, 56330), (215, 36418), (262, 29885), (278, 28165), (430, 18209), (655, 11954), (695, 11266), (1310, 5977), (1390, 5633)]