284892860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{290707}}^1$

素因数の和:290730

約数の個数: 36

約数和(自身を含む): 695954952

約数和(自身を除く): 411062092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 290707, 581414, 1162828, 1453535, 2034949, 2907070, 4069898, 5814140, 8139796, 10174745, 14244643, 20349490, 28489286, 40698980, 56978572, 71223215, 142446430, 284892860]

約数ペア:

[(1, 284892860), (2, 142446430), (4, 71223215), (5, 56978572), (7, 40698980), (10, 28489286), (14, 20349490), (20, 14244643), (28, 10174745), (35, 8139796), (49, 5814140), (70, 4069898), (98, 2907070), (140, 2034949), (196, 1453535), (245, 1162828), (490, 581414), (980, 290707)]