87668840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{44729}}^1$

素因数の和:44754

約数の個数: 48

約数和(自身を含む): 229464900

約数和(自身を除く): 141796060

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 44729, 89458, 178916, 223645, 313103, 357832, 447290, 626206, 894580, 1252412, 1565515, 1789160, 2191721, 2504824, 3131030, 4383442, 6262060, 8766884, 10958605, 12524120, 17533768, 21917210, 43834420, 87668840]

約数ペア:

[(1, 87668840), (2, 43834420), (4, 21917210), (5, 17533768), (7, 12524120), (8, 10958605), (10, 8766884), (14, 6262060), (20, 4383442), (28, 3131030), (35, 2504824), (40, 2191721), (49, 1789160), (56, 1565515), (70, 1252412), (98, 894580), (140, 626206), (196, 447290), (245, 357832), (280, 313103), (392, 223645), (490, 178916), (980, 89458), (1960, 44729)]