2218890

素因数分解:

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

素因数の和:2046

約数の個数: 32

約数和(自身を含む): 5472000

約数和(自身を除く): 3253110

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 1999, 3998, 5997, 9995, 11994, 19990, 29985, 59970, 73963, 147926, 221889, 369815, 443778, 739630, 1109445, 2218890]

約数ペア:

[(1, 2218890), (2, 1109445), (3, 739630), (5, 443778), (6, 369815), (10, 221889), (15, 147926), (30, 73963), (37, 59970), (74, 29985), (111, 19990), (185, 11994), (222, 9995), (370, 5997), (555, 3998), (1110, 1999)]