280480235

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{727}}^1$

素因数の和:963

約数の個数: 32

約数和(自身を含む): 393050112

約数和(自身を除く): 112569877

約数列:

[1, 5, 7, 35, 73, 151, 365, 511, 727, 755, 1057, 2555, 3635, 5089, 5285, 11023, 25445, 53071, 55115, 77161, 109777, 265355, 371497, 385805, 548885, 768439, 1857485, 3842195, 8013721, 40068605, 56096047, 280480235]

約数ペア:

[(1, 280480235), (5, 56096047), (7, 40068605), (35, 8013721), (73, 3842195), (151, 1857485), (365, 768439), (511, 548885), (727, 385805), (755, 371497), (1057, 265355), (2555, 109777), (3635, 77161), (5089, 55115), (5285, 53071), (11023, 25445)]