311384230

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{1999}}^1$

素因数の和:2464

約数の個数: 32

約数和(自身を含む): 577296000

約数和(自身を除く): 265911770

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 421, 842, 1999, 2105, 3998, 4210, 9995, 15577, 19990, 31154, 73963, 77885, 147926, 155770, 369815, 739630, 841579, 1683158, 4207895, 8415790, 31138423, 62276846, 155692115, 311384230]

約数ペア:

[(1, 311384230), (2, 155692115), (5, 62276846), (10, 31138423), (37, 8415790), (74, 4207895), (185, 1683158), (370, 841579), (421, 739630), (842, 369815), (1999, 155770), (2105, 147926), (3998, 77885), (4210, 73963), (9995, 31154), (15577, 19990)]