11989880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{42821}}^1$

素因数の和:42839

約数の個数: 32

約数和(自身を含む): 30831840

約数和(自身を除く): 18841960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 42821, 85642, 171284, 214105, 299747, 342568, 428210, 599494, 856420, 1198988, 1498735, 1712840, 2397976, 2997470, 5994940, 11989880]

約数ペア:

[(1, 11989880), (2, 5994940), (4, 2997470), (5, 2397976), (7, 1712840), (8, 1498735), (10, 1198988), (14, 856420), (20, 599494), (28, 428210), (35, 342568), (40, 299747), (56, 214105), (70, 171284), (140, 85642), (280, 42821)]