319451920

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{13007}}^1$

素因数の和:13327

約数の個数: 40

約数和(自身を含む): 745202304

約数和(自身を除く): 425750384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1228, 1535, 2456, 3070, 4912, 6140, 12280, 13007, 24560, 26014, 52028, 65035, 104056, 130070, 208112, 260140, 520280, 1040560, 3993149, 7986298, 15972596, 19965745, 31945192, 39931490, 63890384, 79862980, 159725960, 319451920]

約数ペア:

[(1, 319451920), (2, 159725960), (4, 79862980), (5, 63890384), (8, 39931490), (10, 31945192), (16, 19965745), (20, 15972596), (40, 7986298), (80, 3993149), (307, 1040560), (614, 520280), (1228, 260140), (1535, 208112), (2456, 130070), (3070, 104056), (4912, 65035), (6140, 52028), (12280, 26014), (13007, 24560)]