1287230

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 48

約数和(自身を含む): 2807136

約数和(自身を除く): 1519906

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 49, 70, 71, 74, 98, 142, 185, 245, 259, 355, 370, 490, 497, 518, 710, 994, 1295, 1813, 2485, 2590, 2627, 3479, 3626, 4970, 5254, 6958, 9065, 13135, 17395, 18130, 18389, 26270, 34790, 36778, 91945, 128723, 183890, 257446, 643615, 1287230]

約数ペア:

[(1, 1287230), (2, 643615), (5, 257446), (7, 183890), (10, 128723), (14, 91945), (35, 36778), (37, 34790), (49, 26270), (70, 18389), (71, 18130), (74, 17395), (98, 13135), (142, 9065), (185, 6958), (245, 5254), (259, 4970), (355, 3626), (370, 3479), (490, 2627), (497, 2590), (518, 2485), (710, 1813), (994, 1295)]