449931440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{803449}}^1$

素因数の和:803469

約数の個数: 40

約数和(自身を含む): 1195533600

約数和(自身を除く): 745602160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 803449, 1606898, 3213796, 4017245, 5624143, 6427592, 8034490, 11248286, 12855184, 16068980, 22496572, 28120715, 32137960, 44993144, 56241430, 64275920, 89986288, 112482860, 224965720, 449931440]

約数ペア:

[(1, 449931440), (2, 224965720), (4, 112482860), (5, 89986288), (7, 64275920), (8, 56241430), (10, 44993144), (14, 32137960), (16, 28120715), (20, 22496572), (28, 16068980), (35, 12855184), (40, 11248286), (56, 8034490), (70, 6427592), (80, 5624143), (112, 4017245), (140, 3213796), (280, 1606898), (560, 803449)]