420140056

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{57271}}^1$

素因数の和:57415

約数の個数: 32

約数和(自身を含む): 907188480

約数和(自身を除く): 487048424

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 524, 917, 1048, 1834, 3668, 7336, 57271, 114542, 229084, 400897, 458168, 801794, 1603588, 3207176, 7502501, 15005002, 30010004, 52517507, 60020008, 105035014, 210070028, 420140056]

約数ペア:

[(1, 420140056), (2, 210070028), (4, 105035014), (7, 60020008), (8, 52517507), (14, 30010004), (28, 15005002), (56, 7502501), (131, 3207176), (262, 1603588), (524, 801794), (917, 458168), (1048, 400897), (1834, 229084), (3668, 114542), (7336, 57271)]