280482265

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^3\times {\mathrm{269}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 398960640

約数和(自身を除く): 118478375

約数列:

[1, 5, 7, 31, 35, 155, 217, 269, 961, 1085, 1345, 1883, 4805, 6727, 8339, 9415, 29791, 33635, 41695, 58373, 148955, 208537, 258509, 291865, 1042685, 1292545, 1809563, 8013779, 9047815, 40068895, 56096453, 280482265]

約数ペア:

[(1, 280482265), (5, 56096453), (7, 40068895), (31, 9047815), (35, 8013779), (155, 1809563), (217, 1292545), (269, 1042685), (961, 291865), (1085, 258509), (1345, 208537), (1883, 148955), (4805, 58373), (6727, 41695), (8339, 33635), (9415, 29791)]