212414920

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{27803}}^1$

素因数の和:28005

約数の個数: 32

約数和(自身を含む): 480453120

約数和(自身を除く): 268038200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 27803, 55606, 111212, 139015, 222424, 278030, 556060, 1112120, 5310373, 10620746, 21241492, 26551865, 42482984, 53103730, 106207460, 212414920]

約数ペア:

[(1, 212414920), (2, 106207460), (4, 53103730), (5, 42482984), (8, 26551865), (10, 21241492), (20, 10620746), (40, 5310373), (191, 1112120), (382, 556060), (764, 278030), (955, 222424), (1528, 139015), (1910, 111212), (3820, 55606), (7640, 27803)]