2958520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1999}}^1$

素因数の和:2047

約数の個数: 32

約数和(自身を含む): 6840000

約数和(自身を除く): 3881480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 1999, 3998, 7996, 9995, 15992, 19990, 39980, 73963, 79960, 147926, 295852, 369815, 591704, 739630, 1479260, 2958520]

約数ペア:

[(1, 2958520), (2, 1479260), (4, 739630), (5, 591704), (8, 369815), (10, 295852), (20, 147926), (37, 79960), (40, 73963), (74, 39980), (148, 19990), (185, 15992), (296, 9995), (370, 7996), (740, 3998), (1480, 1999)]