189103660

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{155003}}^1$

素因数の和:155073

約数の個数: 24

約数和(自身を含む): 403630416

約数和(自身を除く): 214526756

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 155003, 310006, 620012, 775015, 1550030, 3100060, 9455183, 18910366, 37820732, 47275915, 94551830, 189103660]

約数ペア:

[(1, 189103660), (2, 94551830), (4, 47275915), (5, 37820732), (10, 18910366), (20, 9455183), (61, 3100060), (122, 1550030), (244, 775015), (305, 620012), (610, 310006), (1220, 155003)]