280751524

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2633}}^1$

素因数の和:2740

約数の個数: 48

約数和(自身を含む): 548714880

約数和(自身を除く): 267963356

約数列:

[1, 2, 4, 19, 23, 38, 46, 61, 76, 92, 122, 244, 437, 874, 1159, 1403, 1748, 2318, 2633, 2806, 4636, 5266, 5612, 10532, 26657, 50027, 53314, 60559, 100054, 106628, 121118, 160613, 200108, 242236, 321226, 642452, 1150621, 2301242, 3051647, 3694099, 4602484, 6103294, 7388198, 12206588, 14776396, 70187881, 140375762, 280751524]

約数ペア:

[(1, 280751524), (2, 140375762), (4, 70187881), (19, 14776396), (23, 12206588), (38, 7388198), (46, 6103294), (61, 4602484), (76, 3694099), (92, 3051647), (122, 2301242), (244, 1150621), (437, 642452), (874, 321226), (1159, 242236), (1403, 200108), (1748, 160613), (2318, 121118), (2633, 106628), (2806, 100054), (4636, 60559), (5266, 53314), (5612, 50027), (10532, 26657)]