253441160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{905147}}^1$

素因数の和:905165

約数の個数: 32

約数和(自身を含む): 651706560

約数和(自身を除く): 398265400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 905147, 1810294, 3620588, 4525735, 6336029, 7241176, 9051470, 12672058, 18102940, 25344116, 31680145, 36205880, 50688232, 63360290, 126720580, 253441160]

約数ペア:

[(1, 253441160), (2, 126720580), (4, 63360290), (5, 50688232), (7, 36205880), (8, 31680145), (10, 25344116), (14, 18102940), (20, 12672058), (28, 9051470), (35, 7241176), (40, 6336029), (56, 4525735), (70, 3620588), (140, 1810294), (280, 905147)]