2271290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 4748544

約数和(自身を除く): 2477254

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 457, 497, 710, 914, 994, 2285, 2485, 3199, 4570, 4970, 6398, 15995, 31990, 32447, 64894, 162235, 227129, 324470, 454258, 1135645, 2271290]

約数ペア:

[(1, 2271290), (2, 1135645), (5, 454258), (7, 324470), (10, 227129), (14, 162235), (35, 64894), (70, 32447), (71, 31990), (142, 15995), (355, 6398), (457, 4970), (497, 4570), (710, 3199), (914, 2485), (994, 2285)]