1257560

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 2862000

約数和(自身を除く): 1604440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 211, 298, 422, 596, 745, 844, 1055, 1192, 1490, 1688, 2110, 2980, 4220, 5960, 8440, 31439, 62878, 125756, 157195, 251512, 314390, 628780, 1257560]

約数ペア:

[(1, 1257560), (2, 628780), (4, 314390), (5, 251512), (8, 157195), (10, 125756), (20, 62878), (40, 31439), (149, 8440), (211, 5960), (298, 4220), (422, 2980), (596, 2110), (745, 1688), (844, 1490), (1055, 1192)]