219819020

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{28697}}^1$

素因数の和:29089

約数の個数: 24

約数和(自身を含む): 462841344

約数和(自身を除く): 243022324

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 3830, 7660, 28697, 57394, 114788, 143485, 286970, 573940, 10990951, 21981902, 43963804, 54954755, 109909510, 219819020]

約数ペア:

[(1, 219819020), (2, 109909510), (4, 54954755), (5, 43963804), (10, 21981902), (20, 10990951), (383, 573940), (766, 286970), (1532, 143485), (1915, 114788), (3830, 57394), (7660, 28697)]