2987440

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:469

約数の個数: 40

約数和(自身を含む): 7030800

約数和(自身を除く): 4043360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 349, 428, 535, 698, 856, 1070, 1396, 1712, 1745, 2140, 2792, 3490, 4280, 5584, 6980, 8560, 13960, 27920, 37343, 74686, 149372, 186715, 298744, 373430, 597488, 746860, 1493720, 2987440]

約数ペア:

[(1, 2987440), (2, 1493720), (4, 746860), (5, 597488), (8, 373430), (10, 298744), (16, 186715), (20, 149372), (40, 74686), (80, 37343), (107, 27920), (214, 13960), (349, 8560), (428, 6980), (535, 5584), (698, 4280), (856, 3490), (1070, 2792), (1396, 2140), (1712, 1745)]