1285391030

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{238477}}^1$

素因数の和:238509

約数の個数: 48

約数和(自身を含む): 2936141136

約数和(自身を除く): 1650750106

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 5390, 238477, 476954, 1192385, 1669339, 2384770, 2623247, 3338678, 5246494, 8346695, 11685373, 13116235, 16693390, 18362729, 23370746, 26232470, 36725458, 58426865, 91813645, 116853730, 128539103, 183627290, 257078206, 642695515, 1285391030]

約数ペア:

[(1, 1285391030), (2, 642695515), (5, 257078206), (7, 183627290), (10, 128539103), (11, 116853730), (14, 91813645), (22, 58426865), (35, 36725458), (49, 26232470), (55, 23370746), (70, 18362729), (77, 16693390), (98, 13116235), (110, 11685373), (154, 8346695), (245, 5246494), (385, 3338678), (490, 2623247), (539, 2384770), (770, 1669339), (1078, 1192385), (2695, 476954), (5390, 238477)]